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.

Q 1 - Enzymes are defined as …

Answer : A

Explanation

Enzymes normally accelerate or catalyze the chemical reactions.

Q 2 - ……………… investigate the structure of a solid.

Answer : A

Explanation

N/A

Q 3 - Rust (that harms the iron sheet) is …

A - An element

B - A compound

C - A mixture of iron, oxygen, and water

D - A mixture of iron and dust

Answer : B

Explanation

N/A

Q 4 - If someone reduces the volume of gas at a constant temperature, what will be the impact on pressure?

A - It will increase

B - It will decrease

C - It will remain same

D - First it will increase, but later decrease

Answer : A

Explanation

N/A

Q 5 - The process, which is inverse of oxidation, is known as …

Answer : D

Explanation

N/A

Q 6 - The chemical name of blue vitriol is …

A - Sodium sulphate

B - Magnesium chloride

C - Copper sulphate

D - Sodium chloride

Answer : C

Explanation

N/A

Q 7 - Which among the following is/are the major constituent/s of Bio-Gas (Gobar Gas)?

Answer : D

Explanation

Biogas is normally produced by anaerobic digestion with anaerobic organisms.

Q 8 - Which among the following is used in bullet proof glass?

A - Lexan

B - Melamine

C - Styrene butadiene

D - Bakelite

Answer : A

Explanation

N/A

Q 9 - Selenium (Se) is an element of …

Answer : B

Explanation

Atomic number of Selenium is 34.

Q 10 - Antimony (Sb) is an element of …

Answer : B

Explanation

Atomic number of Antimony is 51.

Q 11 - …………………... is used in photo-chromatic glasses.

Answer : A

Explanation

Chemical formula of silver chloride is AgCl.

Q 12 - Which among the following is used in killing rats?

Answer : A

Explanation

The chemical formula of zinc phosphide is Zn3P2.

Q 13 - Which among the following is used in cancer treatment?

Answer : A

Explanation

Cobalt-60 releases beta radioactive isotope.

Q 14 - If a pure water is mixed with ………………………. then it becomes good conductor.

Answer : A

Explanation

Common salt ionizes the water and makes it good conductor.

Q 15 - Which among the following is used in leather industry?

Answer : D

Explanation

Alum is also used in water purification.

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:

Answer : C

Explanation

N/A

Q 17 - Which among the following gases is used in anesthetic in dental surgery?

Answer : D

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:

Answer : C

Explanation

N/A

Q 19 - Which among the following restrains ice to melt?

Answer : A

Explanation

Gelatin is also used in shampoos, face masks, and other cosmetics.

Q 20 - Consider the following statements:

1. The polymers which have very high intermolecular forces are known as Fibers.

2. The synthetic fiber which is extracted from cellulose is known as Rayon.

Choose the correct answer from the codes given below:

Answer : C

Explanation

Example of fiber is Nylon-6.

chemistry_part2_online_quiz.htm