Chemistry Part 2 Online Quiz


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Following quiz provides Multiple Choice Questions (MCQs) related to Chemistry. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.

Questions and Answers

Q 1 - Consider the following statements:

1. The activity of chemical reaction increases as temperature increases.

2. Molecular motion decreases at higher temperature.

Choose the correct answer from the codes given below:

A - Only 1

B - Only 2

C - Both

D - Neither 1 nor 2

Answer : A

Explanation

Molecular motion increases at higher temperature.

Q 2 - Which among the following is not an ore of Iron (Fe)?

A - Lemonite

B - Siderite

C - Magnetite

D - Milarite

Answer : D

Explanation

Milarite is an ore of Nickel.

Q 3 - Which one of the following laws predicting that “how a magnetic field will interact with an electric circuit to produce an electromotive force (EMF).”

A - Beer’s law

B - Boyle’s law

C - Charles’ law

D - Faraday’s law

Answer : C

Explanation

The whole phenomena is known as electromagnetic induction.

Q 4 - What is the chemical formula of Acetic acid?

A - HC2H3O2

B - HC3H2O2

C - HC2H3O3

D - HC3H3O2

Answer : A

Explanation

The source of Acetic acid is vinegar.

Q 5 - The age of Earth is estimated with the help of …

A - Carbon dating

B - Radiometric dating

C - Biological dating

D - Mineral dating

Answer : B

Explanation

It is same as Uranium dating.

Q 6 - Which among the following is the strongest metal?

A - Gold

B - Iron

C - Chromium

D - Titanium

Answer : D

Explanation

N/A

Answer : A

Explanation

In normal circumstance, methane is used in the mine explosion.

Q 8 - Aluminum (Al) is an element of …

A - s block

B - p block

C - d block

D - f block

Answer : B

Explanation

Atomic number of Aluminum is 13.

Q 9 - Which among the following is used in laughing gas?

A - Carbon dioxide

B - Nitrous oxide

C - Water gas

D - Carbon monoxide

Answer : B

Explanation

N/A

Q 10 - Iodine (I) is an element of …

A - s block

B - p block

C - d block

D - f block

Answer : B

Explanation

Atomic number of Iodine is 53.

Answer : D

Explanation

N/A

Q 12 - Vanadium (V) is an element of …

A - s block

B - p block

C - d block

D - f block

Answer : C

Explanation

Atomic number of Vanadium is 23.

Q 13 - Consider the following statements:

1. Phosphorous is a significant constituent of animals and plants.

2. Phosphorous is an important element of nucleic acid.

Choose the correct answer from the codes given below:

A - Only 1

B - Only 2

C - Both

D - Neither 1 nor 2

Answer : C

Explanation

Phosphorous is also present in DNA and bones.

Q 14 - Bromine (Br) is an element of …

A - s block

B - p block

C - d block

D - f block

Answer : B

Explanation

Atomic number of Bromine is 35.

Q 15 - Consider the following statements:

1. An acid has sweet test

2. An acid contains replaceable hydroge.

Choose the correct answer from the codes given below:

A - Only 1

B - Only 2

C - Both

D - Neither 1 nor 2

Answer : B

Explanation

An acid has sour test.

Q 16 - Consider the following statements:

1. Neutron was discovered by James Chadwick.

2. Charge on neutron is zero.

Choose the correct answer from the code given below:

A - Only 1

B - Only 2

C - Both

D - Neither 1 nor 2

Answer : C

Explanation

N/A

Q 17 - Which among the following gases is used in fire suppression?

A - Nitrogen

B - Acetylene

C - Neon

D - Nitrous oxide

Answer : A

Explanation

Liquid nitrogen is used for cold storage and also in respiratory support in the health care.

Q 18 - Heavy water is used as …

A - Fuel

B - Coolant

C - Moderator

D - A & B

Answer : C

Explanation

In a nuclear reactor, heavy water is used as a neutron moderator.

Q 19 - …………………... is used in election (while voting) as marker.

A - Silver chloride

B - Silver iodide

C - Silver nitrate

D - Zinc oxide

Answer : C

Explanation

The chemical formula of silver nitrate is AgNO3.

Q 20 - Which among the following is used in soda water?

A - Carbon dioxide

B - Diamond

C - Carbon monoxide

D - Alum

Answer : A

Explanation

Carbon dioxide is also used in fire extinguisher.

chemistry_part2_online_quiz.htm
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