Chemistry Part 2 Online Quiz



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

Answer : B

Explanation

Pure water is bad conductor of electricity, but pure water hardly exists in the environment.

Q 2 - The value of Avogardro’s Number is …………

A - 6.023 × 1023

B - 6.023 × 10-23

C - 6.023 × 1018

D - 6.023 × 10-18

Answer : A

Explanation

N/A

Q 3 - Which among the following is used in cooking?

A - Hydrogen

B - Chlorine

C - Natural gas

D - Sulfur dioxide

Answer : C

Explanation

N/A

Q 4 - Which one of the following is stored in Kerosene oil?

A - Zinc

B - Sulphur

C - Sodium

D - Silver

Answer : C

Explanation

Sodium is highly reactive; therefore, it is stored in kerosene oil.

Q 5 - Which among the following correctly defines the asbestos?

A - Mineral

B - Skelton of dead insects

C - Dried wood

D - Artificially created materials

Answer : A

Explanation

Asbestos is naturally occurring mineral.

Q 6 - Motor vehicles largely release …………… which is a major pollutant.

A - CFC

B - Mixture of nitrogen and carbon

C - Carbon monoxide

D - Sulphur

Answer : C

Explanation

Carbon monoxide is a major pollutant in the environment.

Q 7 - Consider the following statements:

1. Antigen is a substance that stimulates the formation of antibodies.

2. Antimony is crystalline and brittle metal.

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

N/A

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 arc welding.

A - Argon

B - Helium

C - Neon

D - Hydrogen

Answer : A

Explanation

N/A

Q 10 - Consider the following statements:

1. Lead is a stable element.

2. Lead is used in writing.

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

N/A

Answer : B

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 - Which among the following is used in cancer treatment?

A - Cobalt 60

B - Copper 58

C - Sodium oxide

D - Chloride

Answer : A

Explanation

Cobalt-60 releases beta radioactive isotope.

Answer : A

Explanation

Rust is red oxide usually formed by the redox reaction.

Q 15 - ……………………. wave can be polarized.

A - Light waves

B - Sound waves

C - Cyclone waves

D - Oceanic waves

Answer : A

Explanation

A light wave is a sort of electromagnetic wave.

Q 16 - Consider the following statements:

1. The relative charge on electron is -1 unit.

2. An electron was obtained from Cathode rays experiment..

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

N/A

Answer : A

Explanation

N/A

Q 18 - Consider the following statements:

1. A thinner is a solvent, examples are turpentine oil and kerosene.

2. Thinner is applied to paint to decrease its thickness and make it more fluid.

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

N/A

Answer : A

Explanation

Plum pudding model was proposed in 1904.

Q 20 - Which among the following is with potassium dichromate used in bleach (for the photographic purpose)?

A - Sodium chloride

B - Potassium dichromate

C - Sodium bisulphate

D - Calcium chloride

Answer : C

Explanation

The chemical formula of Sodium bisulphate is NaHSO4.

chemistry_part2_online_quiz.htm
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