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 - 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:

Answer : A

Explanation

Molecular motion increases at higher temperature.

Q 2 - The value of Avogardros Number is

Answer : A

Explanation

N/A

Q 3 - Which among the following is used as fuel?

Answer : B

Explanation

Propane is also used as refrigerant.

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 - 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 - Primarily, the group of hydrogen, ., and . were responsible for the origin of life.

A - Oxygen and Sodium

B - Oxygen and Nitrogen

C - Oxygen and Carbon dioxide

D - Carbon dioxide and Nitrogen

Answer : A

Explanation

However, there is no concrete evidence on this account, as there are different views on the same.

Q 7 - The substance that removes the excess acid and raise the pH value to appropriate level in stomach is known as

Answer : A

Explanation

N/A

Q 8 - Which among the following is used in crockery?

A - Lexan

B - Melamine

C - Styrene butadiene

D - Bakelite

Answer : B

Explanation

N/A

Q 9 - Which among the following is used in making milky glass?

A - Selenium

B - Chromium III oxide

C - Manganese IV oxide

D - Tin oxide

Answer : D

Explanation

Chemical formula of Iron(III) oxide SnO₂.

Q 10 - Which among the following is popular as quicksilver?

Answer : B

Explanation

N/A

Q 11 - Which among the following is used in fire extinguisher?

A - Anhydrous aluminum chloride

B - Mercuric oxide

C - Aluminum sulphate

D - Graphite

Answer : C

Explanation

Aluminum sulphate is also used in paper industry.

Q 12 - . Rod is used in nuclear reactor to regulate the speed of neutron.

Answer : A

Explanation

N/A

Q 13 - Which among the following is used in electric heater?

Answer : A

Explanation

Nichrome wire usually is used in electric heater.

Q 14 - Consider the following statements:

1. H2SO4 and HNO3 are used to wash iron for its galvanization.

2. Oxalic acid is used to remove rust spot.

Choose the correct answer from the codes given below:

Answer : C

Explanation

N/A

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:

Answer : B

Explanation

An acid has sour test.

Q 16 - Calcium carbide is used in

A - Acetylene gas

B - Bleaching actions

C - Battery

D - Textile industry

Answer : A

Explanation

Calcium carbide is also used in calcium cyanide. The chemical formula of calcium carbide is CaC₂.

Q 17 - Which one of the following laws states that under constant pressure, the volume of a fixed mass of gas varies directly with its absolute temperature.