Chemistry

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

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

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

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

• solute

Name the equipment

• utility clamp
• iron ring
• clay triangle
• test tube clamp

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

• True
• False

Which chemical causes Minamata disease?

• Mercury
• Xenon
• Neon
• Magnesium

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

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

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

• interferences

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

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What does Los Pollos Hermanos mean is english

• The Chicken Man
• The Chicken Sisters
• The Chicken Brothers
• The Chicken Place

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

• Moderate
• Delayed
• Immediate
• None of the above

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

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

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

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

• Qualitative analysis
• Quantitative analysis

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

Identify the laboratory apparatus given.

• Erlenmeyer flask
• Florence flask
• Volumetric flask
• Spring balance

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

• Solution
• Colloid
• Suspension

How small is a Quark?

• Small
• Big
• Medium
• Extremely small

Name the equipment.

• beaker
• erlenmeyer flask
• watch glass
• petri dishe

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

• Electrical

How many times has walter had to replace his windshield

• 0
• Once
• 2 times
• 3 times

Name the equipment

• glass triangle
• funnel
• stirring rod
• buret

I'm am not in danger

• I am the danger

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

• 14
• 7
• 15
• 18

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

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

The branch of chemistry that studies carbon-containing substances

• Analytical Chemistry
• Organic Chemistry
• Inorganic Chemistry
• Biochemistry

Which Chemical expression shows the writting form of Acetylene?

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

Name the equipment

• iron ring
• iron stand
• iron base
• iron tower

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

• Protons
• Neutrons
• Electrons
• Ions

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

What is the physical state of water

• Solid
• Liquid
• Gases
• All of above

What of these metals are non metal ?

• Lithium
• Magnesium
• Beryllium
• Sulfur

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

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

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

• sampling

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

• Oxygen

colour of carbon is

• black

Bronze is an alloy of what?

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

Name the equipment

• test tube pin
• test tube metal
• test tube coil
• test tube clamp

What are these?

• test tubes

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

Name the use of the given picture.

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

What icon is this?

• Screen
• My Computer
• Recycle Bin
• Folder

How much money was in the Barrel in Ozymandias

• 80 million dollars

Name the use of the given picture.

• used for stirring and mixing chemicals
• used to heat liquids for evaporation
• used to hold several test tubes at one time

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

• assay

What is the Nucleus of an Atom made of?

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

Name the equipment

• graduated cylinder
• test tube
• thermometer
• beaker

Walter White son´s name is

• Walter White
• Flin
• Walter White jr
• Walt jr

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

Name the equipment

• burette
• dropper pipette
• stirring rod
• iron stand

What is the name of icon shown

• Microsoft Edge
• Chrome
• Safari
• Torch

What are the three subatomic particles?

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

• Skin
• Body
• Blood
• Bones

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

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

Name the equipment

• beaker
• long tube
• graduated cylinder
• thermometer

Which element has no neutrons in it ?

• Hydrogen
• Radon
• Polonium
• Tellurium

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

• Yes

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

• funnel

The symbol Hg stands for :

• Mercury
• Rhodium
• Iridium
• Platinum

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

• H2
• H20
• H202
• H3O

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

• residue

The modern atomic mass unit is based on

• Carbon-12

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

• Hydrogen
• h2O
• Helium
• Plutonium

Name the use of the give picture.

• 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

What teacher is walter white

• Math
• Biology
• English
• chemistry

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

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

Name a proper uses for this piece of equipment.

• Measuring precise and accurate volume amounts
• Weiging out solute
• To hold the contents of a neutralization reaction during a titration
• Identifying Mass

Identify the laboratory apparatus given.

• Burette
• Pipette
• Spring balance
• Triple Beam balance

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

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

• solvent

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

• Ion
• Isotope
• Quartz
• Compound

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

Draw Walter White

How many episodes are there in breaking bad

• 60
• 62
• 65
• 63

How good is Breaking bad

• 1 star
• 2 stars
• 3 stars
• 4 stars
• 5 stars

What type of operating system does the logo represents

• Machintosh
• Linux
• Windows
• Android

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

Name the use of the given picture.

• useful to hold larger items.
• used for holding test tube when it should not be touched
• used to pick up or hold small objects

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

Which laboratory apparatus is a syringe?

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(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.

Name the equipment

• watch glass
• evaporating dish
• forceps
• mortar

We use a thermometer to measure temperature in ...

• degrees Celsius
• degrees Fahrenheit
• millimeters
• degrees Kelvin

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

• 20 Takes
• 1 Take
• 2 Takes
• 100 Takes

Name the equipment

• Beaker
• Erlenmeyer flask
• Florence flask
• Volumetric flask

Name the picture.

• forceps
• test tube holder clamo
• tongs

An electron is

• positively charged
• neutral
• negatively charged

Identify the laboratory apparatus given.

• Erlenmeyer flask
• Graduated cylinder
• Triple Beam Balance
• Volumetric flask

What is the written form of water.

• H2O
• H2c2

Is Hydrogen found in water, Yes or No.

• Yes

What element does the sun fuse?

• Hydrogen
• Helium
• Oxygen
• None of above

The laboratory apparatus above is used to measure ______________ .

• mass
• length
• volume
• temperature

The symbol Au stands for :

• Gold
• Cadmium
• Zinc
• Krypton

Name the equipment

• test tube
• test tube container
• test tube stand
• test tube rack

Which is an extensive property?

• density
• volume
• viscosity
• malleability

What is chemical formula of water

• H2O
• HCl
• Hydrogen
• none of above

It indicates the amount of each substance in a sample.

• Qualitative analysis
• Quantitative analysis

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

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.

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

What piece of equipment is used to measure temperature?

• spring scale
• thermometer
• triple beam balance
• pipette

The apparatus used for heating very small quantity of chemicals.

• Beaker
• Flask
• Test tube
• Gas jar

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

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

Name the equipment

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

Identify the laboratory apparatus given.

• Beaker
• Burette
• Pipette
• Florence flask

Which is an intensive property?

• mass
• volume
• weight
• conductivity

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 atomic mass of this element?

• 20
• 60
• 40
• 41

Used to heat liquids for evaporation.

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

What is Saul Goodman's real name

• Thats his real name
• Saul Mcgill
• Howard Hamlin
• Jimmy Mcgill

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

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

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

The spectral region is split into ___________

• three regions

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

• Erlenmeyer flask
• tongs
• beaker
• funnel

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

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How old is Jesse Pinkman

• 22
• 19
• 16
• 25

The symbol Ag stands for :

• Manganese
• Silver
• Magnesium
• Helium

It is anything that occupies space and has mass

• Matter

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

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 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.

Name the equipment

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

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

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

• Group

What are the 2 classes of matter?

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

Name the equipment

• thermometer
• test tube rack
• beaker
• dropper pipette

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

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

• Analytical Chemistry
• Organic Chemistry
• Inorganic Chemistry
• Biochemistry

What are Atoms made of?

• Quarks