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Chemistry

The study of matter, its properties, composition, and transformations, providing insights into the building blocks of the universe and their interactions.

chemistry

elements

compounds

molecules

reactions

bonding

acids

bases

ph

stoichiometry

thermodynamics

kinetics

organic chemistry

inorganic chemistry

analytical chemistry

physical chemistry

Name the equipment

Image: https://quizizz.com/media/resource/gs/quizizz-media/quizzes/44ae3922-fb06-4bf1-aba0-b15096e83b49?w=200&h=200
  • utility clamp
  • iron ring
  • clay triangle
  • test tube clamp

The function of pressure regulators in the emission system of flame photometer is to have a steady flame which is free from flickers?

  • True
  • False

This is what you call when two atoms of the same element with the same atomic number but differs in the number of neutron.

  • Isotope

Identify the laboratory apparatus given.

Image: https://quizizz.com/media/resource/gs/quizizz-media/quizzes/82524b96-3d41-467c-9020-bf6cd14c4bbe?w=200&h=200
  • Beaker
  • Burette
  • Pipette
  • Florence flask

How small is a Quark?

  • Small
  • Big
  • Medium
  • Extremely small

What will happen if you try to split Quarks away from each other with a ton of force?

  • They will use that force to make the bonds stronger
  • They will explode
  • They would disappear
  • Nothing will happen

Name the equipment

Image: https://quizizz.com/media/resource/gs/quizizz-media/questions/L2FwcGhvc3RpbmdfcHJvZC9ibG9icy9BRW5CMlVxcTJzb2VsV3cyMnZwWVN4R2ZLNU1EajFZM0I3R0Q3Q3JaUEJvUkIxQ2pqYjZ0eHRaQTQ1cldhdC1qU1ZuTWVPRnY0SVlBWGFIdXZXV1V5SFdPN2ZXRXM0M1Y5US5aTldFRHd6MlJGWHBiRWhp?w=200&h=200
  • thermometer
  • test tube rack
  • beaker
  • dropper pipette

Describe the accuracy and precision the following set of data.True value: 75 N76 N, 76 N, 75 N, 75 N

  • accurate - precise
  • not accurate - precise
  • not accurate - not precise
  • accurate - not precise

What type of operating system does the logo represents

Image: https://quizizz.com/media/resource/gs/quizizz-media/quizzes/2d6edd14-f06a-4c1f-b2f4-c5898c66cfbe?w=200&h=200
  • Machintosh
  • Linux
  • Windows
  • Android

It is used to support a container, such as a beaker, on a ring stand while it is being heated. May have a fiberglass or ceramic center.

  • wire gauze
  • stirring rod
  • beam balance
  • ring stand

What is the physical state of water

  • Solid
  • Liquid
  • Gases
  • All of above

The liquid that dissolves the solid to form a solution is called the .....

  • solvent

A kind of heterogenous mixture where large particles settle down. An example of this is paracetamol syrup.

  • Solution
  • Colloid
  • Suspension

What element does the sun fuse?

  • Hydrogen
  • Helium
  • Oxygen
  • None of above

Bronze is an alloy of what?

  • Tin
  • Tin and copper
  • Aluminium and copper
  • Magnesium and tin

Which of these is used to transfer a small piece of magnesium into a test tube?

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    Image: https://quizizz.com/media/resource/gs/quizizz-media/quizzes/10b70b70-8ed3-4b7a-81ed-84558d51485a?w=90&h=90
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    Image: https://quizizz.com/media/resource/gs/quizizz-media/quizzes/93350eac-5595-4fb0-8112-c63e086ca2dd?w=90&h=90
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    Image: https://quizizz.com/media/resource/gs/quizizz-media/quizzes/640940cb-7e6f-46cd-b6ba-4c326e71cced?w=90&h=90
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    Image: https://quizizz.com/media/resource/gs/quizizz-media/quizzes/64e6d1d5-45b0-46f5-9766-d60c279666e4?w=90&h=90

Name the equipment

Image: https://quizizz.com/media/resource/gs/quizizz-media/quizzes/80134362-aa3b-4b26-9d2b-00cb7868389d?w=200&h=200
  • Beaker
  • Erlenmeyer flask
  • Florence flask
  • Volumetric flask

What piece of equipment is used to measure temperature?

  • spring scale
  • thermometer
  • triple beam balance
  • pipette

What piece of equipment is used to transfer substances into a container with small openings?

  • Erlenmeyer flask
  • tongs
  • beaker
  • funnel

Which element has no neutrons in it ?

  • Hydrogen
  • Radon
  • Polonium
  • Tellurium

What of these metals are non metal ?

  • Lithium
  • Magnesium
  • Beryllium
  • Sulfur

Name the equipment

Image: https://quizizz.com/media/resource/gs/quizizz-media/questions/L2FwcGhvc3RpbmdfcHJvZC9ibG9icy9BRW5CMlVyME1xY1lEN0F1T294TXdSaW45cmRxaGdNSDdxb0MwRVI3YlVBeFlMS2lzVWgwdlZNay1ISERhTUViNDdfRnVlMkEtOVNFMzRQbVpiZUhzYXlWbXh3dnE4SzE5dy5YaHViSG5odllLUGRDQXhj?w=200&h=200
  • iron ring
  • iron stand
  • iron base
  • iron tower

Describe the accuracy and precision the following set of data.True value: 5 mL5 mL 5.1 mL 5 mL 5.4 mL

  • accurate - precise
  • not accurate - precise
  • not accurate - not precise
  • accurate - not precise

How much money was in the Barrel in Ozymandias

  • 80 million dollars

The solid that dissolves in a liquid to produce a solution is called the......

  • solute

Walter White son´s name is

Image: https://quizizz.com/media/resource/gs/quizizz-media/quizzes/621d047b-a757-4eb4-8f05-68edbb6da932?w=200&h=200
  • Walter White
  • Flin
  • Walter White jr
  • Walt jr

Name the equipment

Image: https://quizizz.com/media/resource/gs/quizizz-media/questions/L2FwcGhvc3RpbmdfcHJvZC9ibG9icy9BRW5CMlVybHk2NEwtSkdSMEN3dEh2ODNraXFBNlRKWUZEUHhpYUY1ZHAxTmJwbnduZ0RQblBXekpmQ250dzFkY3dSdDVEUHBrdktMVGFoQ1ZxdHBFOVhzaGpZOVpNUW4wdy53aUFKekhDcGdNenFYRURY?w=200&h=200
  • test tube pin
  • test tube metal
  • test tube coil
  • test tube clamp

The detector converts IR radiation into __________ signals and sends it to the recorder.

  • Electrical

Identify the laboratory apparatus given.

Image: https://quizizz.com/media/resource/gs/quizizz-media/quizzes/07375d86-8039-4844-a24b-f9613185fe25?w=200&h=200
  • Erlenmeyer flask
  • Florence flask
  • Volumetric flask
  • Spring balance

Which chemical causes Minamata disease?

  • Mercury
  • Xenon
  • Neon
  • Magnesium

How many times has walter had to replace his windshield

Image: https://quizizz.com/media/resource/gs/quizizz-media/quizzes/71aaece4-d33d-4fe7-924f-a2aede228610?w=200&h=200
  • 0
  • Once
  • 2 times
  • 3 times

Name the equipment.

Image: https://quizizz.com/media/resource/gs/quizizz-media/quizzes/b97b21a7-0b75-437b-8e37-d5fbab61f7ab?w=200&h=200
  • beaker
  • erlenmeyer flask
  • watch glass
  • petri dishe

It determine the mass of the analyte or some compound chemically related to it.

  • Gravimetric methods
  • Volumetric methods
  • Electroanalytical methods
  • Spectroscopic methods

The symbol Ag stands for :

  • Manganese
  • Silver
  • Magnesium
  • Helium

The solid that remains in the filter paper during filtration is called the .........

  • residue

Is Hydrogen found in water, Yes or No.

  • Yes

Name the use of the given picture.

Image: https://quizizz.com/media/resource/gs/quizizz-media/quizzes/30e87681-d18f-4fe4-8aff-7f18f64b4b82?w=200&h=200
  • useful to hold larger items.
  • used for holding test tube when it should not be touched
  • used to pick up or hold small objects

Phosphorescent emission of light can persist after the radiation used to excite the molecules has been turned off. True or False?

  • True
  • False

What is the most dangerous atom in the periodic table is?

  • Hydrogen
  • h2O
  • Helium
  • Plutonium

What is the written form of water.

  • H2O
  • H2c2

The negatively charged subatomic particles that are located in energy levels around the nucleus

  • Protons
  • Neutrons
  • Electrons
  • Ions

We can't live without water! What is it's chemical formula?

  • H2
  • H20
  • H202
  • H3O

Used to heat liquids for evaporation.

  • mortar and pestle
  • glass watch
  • evaporating dish
  • funnel

How Many takes did it get to get the Pizza on the roof

Image: https://quizizz.com/media/resource/gs/quizizz-media/quizzes/0eca7b33-5ec4-4be0-a833-a99043551b09?w=200&h=200
  • 20 Takes
  • 1 Take
  • 2 Takes
  • 100 Takes

Noble gases are inert and also known as monoatomic gases because they have completed outer electron shells. Which of these elements isn't a noble gas ?

  • Helium
  • Chlorine
  • Neon
  • Kryton

The spectral region is split into ___________

  • three regions

We use a thermometer to measure temperature in ...

Image: https://quizizz.com/media/resource/gs/quizizz-media/quizzes/7c85b3d4-4076-4052-aa6d-4efb965803f3?w=200&h=200
  • degrees Celsius
  • degrees Fahrenheit
  • millimeters
  • degrees Kelvin

Name the use of the given picture.

Image: https://quizizz.com/media/resource/gs/quizizz-media/quizzes/217c92df-67a9-49af-a079-55a0980d0c6d?w=200&h=200
  • used for stirring and mixing chemicals
  • used to heat liquids for evaporation
  • used to hold several test tubes at one time

What are the three subatomic particles?

  • Electron
  • Electron
  • Quartz
  • Proton
  • Neutron

He is regarded as the Father of Chemical Theory in recognition of the importance of his Atomic Theory to the development of chemical knowledge.

  • JJ Thompson
  • John Dalton
  • Ernest Rutherford
  • Neils Bohr

Identify the laboratory apparatus given.

Image: https://quizizz.com/media/resource/gs/quizizz-media/quizzes/b170dbd2-0e7e-447e-a3f3-b51844970ecf?w=200&h=200
  • Erlenmeyer flask
  • Graduated cylinder
  • Triple Beam Balance
  • Volumetric flask

What is the Nucleus of an Atom made of?

  • Electrons and Protons
  • Protons and Neutrons
  • Protons
  • Neutrons
  • Electrons ans Neutrons

What is Saul Goodman's real name

Image: https://quizizz.com/media/resource/gs/quizizz-media/quizzes/8b101446-f2b2-4604-baa7-608a3a12a22b?w=200&h=200
  • Thats his real name
  • Saul Mcgill
  • Howard Hamlin
  • Jimmy Mcgill

What piece of equipment is used to store test tubes properly instead of rolling off the lab table?

  • test tube rack
  • forceps
  • ring clamp
  • petri dish

Basing on the periodic table, answer the following analogy:Row:Period—Columns:?

  • Group

The apparatus used for heating very small quantity of chemicals.

  • Beaker
  • Flask
  • Test tube
  • Gas jar

The laboratory apparatus above is used to measure ______________ .

Image: https://quizizz.com/media/resource/gs/quizizz-media/quizzes/cb80c5ae-65c9-4c04-b2ca-d01273ac3066?w=200&h=200
  • mass
  • length
  • volume
  • temperature

Which Chemical expression shows the writting form of Acetylene?

  • h20
  • c2h2
  • hc2h2
  • 90
  • Impossible to answer

An electron is

  • positively charged
  • neutral
  • negatively charged

How old is Jesse Pinkman

Image: https://quizizz.com/media/resource/gs/quizizz-media/quizzes/b089355a-22ad-438c-8ff2-5eb05a995421?w=200&h=200
  • 22
  • 19
  • 16
  • 25

Is the equation correct, H2+O=H2O? Yes or No

  • Yes

The modern atomic mass unit is based on

  • Carbon-12

Name a proper uses for this piece of equipment.

Image: https://quizizz.com/media/resource/gs/quizizz-media/quizzes/d89323ef-7a24-4417-a7f2-01a83a261296?w=200&h=200
  • Measuring precise and accurate volume amounts
  • Weiging out solute
  • To hold the contents of a neutralization reaction during a titration
  • Identifying Mass

What is the very first thing you do once you receive any laboratory equipment?

  • Start Measuring out chemicals
  • inspect for cracks or damages
  • Organize/ Sort your equipment
  • Wash/Disinfect

How many episodes are there in breaking bad

Image: https://quizizz.com/media/resource/gs/quizizz-media/quizzes/bda90fa2-2877-49b5-a415-d2810e5d510f?w=200&h=200
  • 60
  • 62
  • 65
  • 63

Which of the following is the correct laboratory rule?

  • Eating in the laboratory while doing practical during lunch time
  • Running in the laboratory when he is in a hurry
  • Poking the electrical power points with sharp objects
  • Using the apparatus in the laboratory only when told to do the science teacher

Name the picture.

Image: https://quizizz.com/media/resource/gs/quizizz-media/quizzes/57b42aba-9e38-467d-ad84-6b1422c6c2ba?w=200&h=200
  • forceps
  • test tube holder clamo
  • tongs

It is anything that occupies space and has mass

  • Matter

Fluorescence happens when molecule from singlet state returns to ……………………………

  • Higher state
  • Lower state
  • Ground state
  • None of the above

Which is an intensive property?

  • mass
  • volume
  • weight
  • conductivity

W can't live without iron. Where in the body is most of the iron located?

  • Skin
  • Body
  • Blood
  • Bones

Name the equipment

Image: https://quizizz.com/media/resource/gs/quizizz-media/questions/L2FwcGhvc3RpbmdfcHJvZC9ibG9icy9BRW5CMlVyN1pPcXNEYzZqaVBNb2tDYVRwa0VndjdVUmhQU0dmNU9YM182Mm1vbGl1WGdnY1V1V3hRaWt6S3NtSW1aQ01OMTFtd2Y5UFNuc0JWd3dnT3piUzFFRDBlM2k5dy4wb013SXllekx2eWpyNWgx?w=200&h=200
  • graduated cylinder
  • test tube
  • thermometer
  • beaker

Which laboratory apparatus is a syringe?

  • Image: https://quizizz.com/media/resource/gs/quizizz-media/quizzes/865c713a-7e12-4207-9989-775018a90d51?w=90&h=90
    Image: https://quizizz.com/media/resource/gs/quizizz-media/quizzes/865c713a-7e12-4207-9989-775018a90d51?w=90&h=90
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    Image: https://quizizz.com/media/resource/gs/quizizz-media/quizzes/35fd5a6f-d44a-42b9-b1f7-e935444008b1?w=90&h=90
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    Image: https://quizizz.com/media/resource/gs/quizizz-media/quizzes/e3447baf-54ce-4e0f-9baf-e541863096e4?w=90&h=90
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    Image: https://quizizz.com/media/resource/gs/quizizz-media/quizzes/12bb2387-217c-48fa-8ccf-abfd2faa49ef?w=90&h=90

The following are some safety rules in a laboratory. Which one is not correct?

  • Do not eat or drink in the laboratory
  • Do not report any injury, however small, to the teacher
  • Do not taste chemicals in the laboratory
  • Do not run in the laboratory

What does Los Pollos Hermanos mean is english

Image: https://quizizz.com/media/resource/gs/quizizz-media/quizzes/b29ff853-c971-46d0-b0e5-2b620268de5f?w=200&h=200
  • The Chicken Man
  • The Chicken Sisters
  • The Chicken Brothers
  • The Chicken Place

Identify the laboratory apparatus given.

Image: https://quizizz.com/media/resource/gs/quizizz-media/quizzes/29a4aa28-fb56-4bac-8fea-88728c3c8da7?w=200&h=200
  • Burette
  • Pipette
  • Spring balance
  • Triple Beam balance

Name the equipment

Image: https://quizizz.com/media/resource/gs/quizizz-media/questions/L2FwcGhvc3RpbmdfcHJvZC9ibG9icy9BRW5CMlVwbVUyWUZ3QUI3UXVYVUhzWlk3UmY2Q3MyR2lBVzhOcklIODBPNTgtMDdvaFBYb0s4QU5RR2M4d0FmQUdJVWIxbmktekxkcGhuVDZQSGtySkszNW9IYURROEZLZy5Ebm45NlBTcE5QV1dzd0xq?w=200&h=200
  • beaker
  • long tube
  • graduated cylinder
  • thermometer

How good is Breaking bad

Image: https://quizizz.com/media/resource/gs/quizizz-media/quizzes/fd8536f7-446f-4276-a9f5-2ed230021ed6?w=200&h=200
  • 1 star
  • 2 stars
  • 3 stars
  • 4 stars
  • 5 stars

What are Atoms made of?

  • Quarks

What is the name of icon shown

Image: https://quizizz.com/media/resource/gs/quizizz-media/quizzes/a5cfea5f-8be5-4304-8979-1df1651d387a?w=200&h=200
  • Microsoft Edge
  • Chrome
  • Safari
  • Torch

What do you call an atom that carries an electrical charge?

  • Ion
  • Isotope
  • Quartz
  • Compound

Ali would like to heat a test-tube containing chemical X over a Bunsen burner. How should Ali carry put the heating?

  • Holding the test tube with his bare hands
  • Holding the test tube with a piece of cloth
  • Holding the test tube using a test tube holder
  • Holding the test tube with tongs

The branch of chemistry that involves the study of substances other than those classified as organic.

  • Analytical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry
  • Biochemistry

colour of carbon is

  • black

Which laboratory apparatus would you use to measure 75mL of water accurately?

  • Image: https://quizizz.com/media/resource/gs/quizizz-media/quizzes/cf79923a-3c4d-4f86-aff8-9ce52611c61d?w=90&h=90
    Image: https://quizizz.com/media/resource/gs/quizizz-media/quizzes/cf79923a-3c4d-4f86-aff8-9ce52611c61d?w=90&h=90
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    Image: https://quizizz.com/media/resource/gs/quizizz-media/quizzes/8261e135-faac-4ad4-af5f-983d19a45a46?w=90&h=90
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    Image: https://quizizz.com/media/resource/gs/quizizz-media/quizzes/785b45ae-2dfa-4c00-884a-bafa5b403c03?w=90&h=90
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    Image: https://quizizz.com/media/resource/gs/quizizz-media/quizzes/ee8fe757-b7c4-48e4-a7db-8c69b6fccb44?w=90&h=90

It is a measurement science consisting of a set of powerful ideas and methods that are useful in all fields of science and medicine.

  • Analytical Chemistry

This is a filter ............

Image: https://quizizz.com/media/resource/gs/quizizz-media/quizzes/ae7d09a7-dbd4-4e05-8f69-f91f02aad8d7?w=200&h=200
  • funnel

Name the equipment

Image: https://quizizz.com/media/resource/gs/quizizz-media/questions/L2FwcGhvc3RpbmdfcHJvZC9ibG9icy9BRW5CMlVxNjFiY2dneXNEZVR2NnpSRHp1aW9zUUZCbndJWnN0Q084Ylg5d1BRUHFtWFNHQmc0eUhhMWFuWmZqZDJtdXVSdk1NQTEzZGNFb2xudmxyOFpuVUV4cjdhdDFTZy5CWTFrdzdWUmdZVmt1cnly?w=200&h=200
  • burette
  • dropper pipette
  • stirring rod
  • iron stand

Name the equipment

Image: https://quizizz.com/media/resource/gs/quizizz-media/questions/L2FwcGhvc3RpbmdfcHJvZC9ibG9icy9BRW5CMlVyREJHM3h1TDBpMUNROWRkU3BqLWtQY1FoNTJFSV82bHMtWVB6NkpTODJqZ0ljY1pEb1lvOVlMQ2E0UGVTeEdYczBCbk4zLXZtcTI2MzVsRWpzSnlYcGFDYmdBQS5ZTG50Rm1SYkF1N3RQdnll?w=200&h=200
  • glass triangle
  • funnel
  • stirring rod
  • buret

Water-based liquids can be described as acidic, neutral, or basic, with respect to pH. Which of these describes milk?

  • Slightly acidic
  • Neutral
  • Milk does not have a ph
  • Slightly basic

What icon is this?

Image: https://quizizz.com/media/resource/gs/quizizz-media/quizzes/ffe441c1-1f25-4406-9f7c-350f9bd8163d?w=200&h=200
  • Screen
  • My Computer
  • Recycle Bin
  • Folder

What are the 2 classes of matter?

  • Atom and Molecule
  • Element and Compound
  • Plant and Animal Cells
  • Substance and Mixture

What are these?

Image: https://quizizz.com/media/resource/gs/quizizz-media/quizzes/b2de1655-30af-4400-bc07-b0bcdcd529df?w=200&h=200
  • test tubes

Which of these is used to make & contain a precise volume of a solution?

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What is a Proton and Electron

  • A type of Atom
  • No such thing
  • Things that make up an Atom
  • Unknown

Name the equipment

Image: https://quizizz.com/media/resource/gs/quizizz-media/questions/L2FwcGhvc3RpbmdfcHJvZC9ibG9icy9BRW5CMlVveGdibnFJUlByVUFobTh2Sm5lV0JaM1ZvZEVIeDRiWXg5V0NsYWI4UnRYYWk4SUVqMlhFU3RncmpDOW5VbDNVOFJHQnZveU1VLVdWVG5lckgwbVE1anpQdzNTQS5XdGd6TlpfdWNMMi1JS19Q?w=200&h=200
  • test tube
  • test tube container
  • test tube stand
  • test tube rack

What is the number of protons that the element in this image contain?

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  • 14
  • 7
  • 15
  • 18

It involves the measurement of such electrical properties as voltage, current, resistance, and quantity of electrical charge.

  • Gravimetric methods
  • Volumetric methods
  • Electroanalytical methods
  • Spectroscopic methods

Organic chemistry is the study of the compounds that make up living organisms. All organic molecules contain :

  • Carbon and oxygen
  • carbon,hydrogen, nitrogen and oxygen
  • Carbon and hydrogen
  • Nitrogen and oxygen

In fluorescence, absorption of energy by atoms or molecules followed by .............. emission of light.

  • Moderate
  • Delayed
  • Immediate
  • None of the above

Which is an extensive property?

  • density
  • volume
  • viscosity
  • malleability

Mention the material from which this apparatus is made and its use.

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  • Plastic and for crushing solids
  • Steel and for mixing chemicals
  • Porcelain and for crushing and grinding solids
  • Glass and for mixing chemicals

Which one do you need to be alive? (There is more than one solution.)

  • h2O
  • h2O
  • O

It is also used in some instances to clamp a couple of support rods together, or to clamp an iron ring or other attachment to a metal bar.

  • iron stand
  • meter stick
  • wire gauze
  • burette

Name the use of the given picture.

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  • used for transferring liquid from one container to another
  • used for heating chemicals
  • used to contain solutions

It is the process of determining how much of a given sample is the material indicated by its name.

  • assay

Name the equipment

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  • Ring Clamp
  • Ring Stand
  • Test Tube Holder
  • Test Tube Clamp

What is the atomic mass of this element?

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  • 20
  • 60
  • 40
  • 41

What teacher is walter white

  • Math
  • Biology
  • English
  • chemistry

Name the equipment

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  • watch glass
  • evaporating dish
  • forceps
  • mortar

Name the equipment

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  • A coaster
  • A wire gauze
  • A place mat
  • A heatprof mat

The symbol Au stands for :

  • Gold
  • Cadmium
  • Zinc
  • Krypton

They are portions of a material of approximately the same size that are carried through an analytical procedure at the same time and in the same way.

  • replicates

Which of the following is the principle of Flame emission photometers?

  • Radiation is absorbed by non-excited atoms in vapour state and are excited to higher states
  • Medium absorbs radiation and transmitted radiation is measured
  • Colour and wavelength of the flame is measured
  • Only wavelength of the flame is measured

The branch of chemistry that studies carbon-containing substances

  • Analytical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry
  • Biochemistry

In Intersystem crossing (ISC), the energy of the activated molecule is dissipated through …………………

  • Molecular collisions
  • Transitions between states of different spins
  • Physical contact of an excited molecule with other particles
  • None of the Above

I'm am not in danger

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  • I am the danger

It is based on measurement of the interaction between electromagnetic radiation and analyte atoms or molecules or on the production of such radiation by analytes.

  • Gravimetric methods
  • Volumetric methods
  • Electroanalytical methods
  • Spectroscopic methods

It indicates the amount of each substance in a sample.

  • Qualitative analysis
  • Quantitative analysis

Draw Walter White

  • [No Answer]

The symbol Hg stands for :

  • Mercury
  • Rhodium
  • Iridium
  • Platinum

Describe the accuracy and precision the following set of data.True value: 10 points3 points, 5 points, 8 points, 9 points

  • accurate - precise
  • not accurate - precise
  • not accurate - not precise
  • accurate - not precise

Name the use of the give picture.

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  • used for the measurement of an amount of a liquid
  • mainly used to store and mix solutions
  • used for transferring liquids from one container to another

Name the use of the given picture.

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  • for holding small samples
  • for the measurement of an amount of a liquid
  • used to pick up or hold small objects

(Select all that apply.) What is wrong in the picture?I. Smelling a chemical directlyII. Wearing open toed shoes.III. Wearing ear buds during lab.IV. Using hands to pick up broken glass.

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  • I
  • I
  • II
  • III
  • IV

What do we call an atom that has more protons than electrons

  • An anion
  • A molecule
  • A cation
  • An isotope

They are species other than the analyte that affect the final measurement

  • interferences

Which Molecule in the periodic table that you need to breath, Oxygen or Carbon Dioxide.

  • Oxygen

Internal conversion comes under …………………………

  • Non radiative transition
  • Radiative Transition
  • Both
  • Not a type of Transition

Itreveals the identity of the elements and compounds in a sample.

  • Qualitative analysis
  • Quantitative analysis

What is chemical formula of water

  • H2O
  • HCl
  • Hydrogen
  • none of above

What is the velocity of light in m/s ?

  • 3 x 101010^{10}1010 m/s.
  • 5 x 108 m/s.
  • 3 x 108 m/s.
  • 5 x 101010^{10}1010 m/s.

It involves obtaining a small mass of a material whose composition accurately represents the bulk of the material being sampled.

  • sampling

Why are Phosphorescence measurements usually made at a low temperature?

  • Triplet excited state to singlet ground state
  • Singlet ground state to singlet excited stated
  • Triplet ground stated to singlet excited stated
  • None of the Above
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