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Chemistry MCQs Online Free Practice Tests | PDF Download

Are you preparing for the initial academic test of the Pakistan Army, Navy, or Air Force? If so, you need to make sure you have a strong foundation in chemistry.

Chemistry is a fundamental science that is essential for understanding many of the concepts that will be covered on the test. By practicing with chemistry MCQs, you can test your knowledge and identify any areas where you need to improve.

There are many resources available to help you prepare for the chemistry mcqs section of the initial academic test. Books, online courses, and even mobile apps can provide you with the practice you need to succeed. If you have applied as an Officer in Pak Defence forces like; Army, Navy or PAF then do practice in the following tests.

Here are some of the most important chemistry MCQs concepts that you will need to know for the test:

Chemistry MCQs about Atomic structure
Chemistry MCQs about Chemical bonding
Chemistry MCQs about Chemical reactions
Chemistry MCQs about Stoichiometry
Chemistry MCQs about Thermodynamics
Chemistry MCQs about Kinetics
Chemistry MCQs about Electrochemistry

By mastering these concepts through Chemistry MCQs, you will be well on your way to passing the initial academic test and achieving your dream of joining the Pakistan Armed Forces. If you want to pass the tests of Chemistry MCQs subject then you must do practice here. When test ends then restart the test so that you may get new questions.

Online Practice Tests of Chemistry MCQs with Answers

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Chemistry (Advance) Quiz

All fats are:-

Hydrocarbons

Esters

Carbohydrates

Aldehydes

M.p is highest for the elements of group:-

IIA

IVA

IIIA

Who introduced the zero group:-

Mendeleev

Lother Mayer

Ramsay

Moseley

Which radicals give blue colour in oxidizing flame when subjected to borax bead test:-

Co+2

Cu+2

Ni+2

Cr+3

The electrophile in aromatic sulphonation is:-

H2SO4

HSO4-

SO3+

SO3

Gravimetric method is based on:-

Viscosity

volume of gas

Volume of liquid

Mass of substances

The atomicity of one molecule of haemoglobin is:-

17,000

100,000

10,000

68,000

FeSO4 forms brown ring with:-

N2O4

NO2

None of these

Which of the halogen is mot easily reduced:-

Br2

Cl2

The weakest intermolecular force is:-

Ion-dipole force

Hydrogen bonding

London force

Debye forces

After digestion protein changes to:-

Glycerol

Fatty acid

Glucose

Amino acid

Number of electron pairs accepted by the central atom in transition metal complex is called:-

Co-ordination number

chelates

Co-ordination sphere

Co-ordination complex

Crystalline solid do not have:-

Rigibility

All above

Compressibility

Characteristic geometry

The addition of unsymmetrical reagent to unsymmetrical alkene is an accordance with:-

Hund's rule

Aufbau principle

Markownikove's rule

Pauli's exclusion principle

Which of the halides show bridge type structure:-

CCl4

AlCl3

H2O

NaCl

0.5 moles of H2SO4 contain ____ moles of oxygen:-

4.0

1.0

2.0

0.5

Paraaldehyde is a polymer of:-

CH3COCH3

CH3CHO

HCHO

CH3CH2CH2OH

In CCl4 solvent, I2 shows ____ colour:-

Yellow

Red

Purple

Blue

Which of the following is not a calcareous material:-

Clay

Lime stone

Marble

Marine shell

In group V-A the most electronegative element is:-

Which method is used to remove permanent hardness of water:-

Coagulation

Ion exchange

Aeration

Chlorination

Who first of all determined the atomic masses of elements:-

Johon Dalton

J.J.Thomson

J.Berzelius

Democritus

The percentage of nitrogen in urea is:-

45%

40%

46%

35%

Synthetic rubber is made by the polymerization of:-

Chloroprene

Acetylene

Divinyl acetylene

Chloroform

What separate wavelength of light radiations:-

colorimeter

photometer

spectrometer

Spectrophotometer

Your score is

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Chemistry MCQs for Pak Army

Which is not an element in “Water, Oxygen, Hydrogen, Carbon”? (Water)
What is the symbol for gold? (Au)
What is the atomic number of carbon? (6)
What is the chemical formula for water? (H₂O)
What is the name of the compound with the formula CO₂? (Carbon dioxide)

Chemistry MCQs for Pak Navy

What is the state of matter of water at room temperature? (Liquid)
What is the boiling point of water? (100°C)
What is the melting point of water? (0°C)
What is the density of water? (1 g/cm³)
What is the chemical formula for salt? (NaCl)

Chemistry MCQs for Pak Air Force

What is the name of the process by which water changes from a liquid to a gas? (Evaporation)
What is the name of the process by which water changes from a gas to a liquid? (Condensation)
What is the name of the process by which water changes from a solid to a liquid? (Melting)
What is the name of the process by which water changes from a solid to a gas? (Sublimation)
What is the name of the process by which a gas changes directly to a solid? (Deposition)

Initial Test Pak Army Regarding Chemistry MCQs

What is the scientific name for water? (H₂O)
What is the atomic number of oxygen? (8)
What is the chemical formula for carbon dioxide? (CO₂)
What is the name of the compound with the formula NaCl? (Sodium chloride)
What is the state of matter of water at room temperature? (Liquid)

Initial Test Pak Navy Regarding Chemistry MCQs

What is the boiling point of water? (100°C)
What is the melting point of water? (0°C)

Academic Test Pak Army in Chemistry MCQs

What is the difference between an element and a compound? (An element is a substance that cannot be broken down into simpler substances by chemical means, while a compound is a substance that is made up of two or more elements chemically combined.)
What are the three states of matter? (Solid, liquid, and gas)
What are the four fundamental forces of nature? (Gravity, electromagnetism, the strong force, and the weak force)
What is the law of conservation of mass? (Matter cannot be created or destroyed, only transformed.)
What is the law of definite proportions? (A chemical compound always contains the same elements in the same proportions by mass.)
What is the melting point of water? (0°C)

Academic Test Pak Navy in Chemistry MCQs

What is the pH scale? (A scale used to measure the acidity or basicity of a solution.)
What is a solution? (A mixture of two or more substances that are uniformly mixed together.)
What is a solvent? (The substance that dissolves another substance in a solution.)
What is an solute? (The substance that is dissolved in a solvent.)
What is a precipitate? (A solid that forms when two solutions are mixed.)

Academic Test Pak Navy

What is chemistry? (The study of matter and its properties, and the changes that matter undergoes.)
What are the four fundamental substances of matter? (Atoms, molecules, ions, and compounds)
What are the three states of matter? (Solid, liquid, and gas)
What are the four fundamental forces of nature? (Gravity, electromagnetism, the strong force, and the weak force)
What is the law of conservation of mass? (Matter cannot be created or destroyed, only transformed.)

Chemistry for Pak Navy

What is the pH scale? (A scale used to measure the acidity or basicity of a solution.)
What is a solution? (A mixture of two or more substances that are uniformly mixed together.)
What is a solvent? (The substance that dissolves another substance in a solution.)
What is an solute? (The substance that is dissolved in a solvent.)
What is a precipitate? (A solid that forms when two solutions are mixed.)

Free Online Practice of Intelligence Tests and More Academic MCQs with PDF

FAQs about Chemistry Questions

What is the difference between an element and a compound?

An element is a substance that cannot be broken down into simpler substances by chemical means, while a compound is a substance that is made up of two or more elements chemically combined. For example, hydrogen is an element, while water is a compound made up of hydrogen and oxygen.

What are the three states of matter?

The three states of matter are solid, liquid, and gas. A solid has a definite shape and volume, a liquid has a definite volume but no definite shape, and a gas has neither a definite shape nor a definite volume.

What is the law of conservation of mass?

The law of conservation of mass states that matter cannot be created or destroyed, only transformed. This means that the total mass of the reactants in a chemical reaction must equal the total mass of the products.

What is the pH scale?

The pH scale is a scale used to measure the acidity or basicity of a solution. A pH of 7 is neutral, a pH below 7 is acidic, and a pH above 7 is basic.

What is a solution?

A solution is a mixture of two or more substances that are uniformly mixed together. The solvent is the substance that dissolves the solute. For example, water is the solvent in a solution of salt water.