Chemistry Part 1 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

Q 1 - converts red litmus paper into blue.

A - Base

B - Acid

C - Salt solution

D - Simple water

Answer : A

Explanation

The red litmus paper turns blue under basic as well as alkaline condition.

Q 2 - Which among the following is used in the formation of mustard gas?

A - Chlorine

B - Hydrochloric acid

C - Bromine

D - Idone

Answer : A

Explanation

Chlorine is also used in the formation of bleaching powder.

Q 3 - What is chemical name of Plaster of Paris?

A - Calcium sulphate

B - Zinc oxide

C - Sodium silicate

D - Calcium oxide

Answer : A

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.

Answer : A

Explanation

N/A

Q 6 - The density of water is measured maximum at

A - 00C

B - 1000C

C - 40C

D - -100C

Answer : C

Explanation

N/A

Q 7 - Methanol, sometimes, is also called as

A - Wood alcohol

B - Rubber alcohol

C - Adhesive alcohol

D - Energy alcohol

Answer : A

Explanation

The chemical formula of methanol is CH3OH.

Answer : B

Explanation

Sonography is a medical technique to see the internal body structures such as tendons, muscles, etc.

Q 9 - Consider the following statements:

1. Vinegar contains about 60 percent acetic acid.

2. Acetylene is used for light production.

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

Vinegar contains about 10 percent acetic acid.

Answer : A

Explanation

The calcium bicarbonate and magnesium cause temporary hardness.

Q 11 - Consider the following statements:

1. Glass makes a soluble silicate in hydrofluoric acid.

2. Hydrofluoric acid cannot be stored in glass containers.

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 12 - Which among the following defines the heavy water?

A - H2O2

B - D2O

C - 2H2O

D - 3H2O

Answer : B

Explanation

The chemical formula of heavy water is D2O and it is used in nuclear reactor.

Q 13 - Consider the following statements:

1. Ammonia is used in preparation of explosive.

2. Ammonia is used in preparation of artificial silk.

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 14 - Consider the following statements:

1. Lipids serve diverse functions in living organisms.

2. Lipids are used by organisms to store energy.

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

Lipids are used for long term energy storage.

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

A - Grahite

B - Diamond

C - Carbon monoxide

D - Alum

Answer : D

Explanation

Alum is also used in water purification.

Q 16 - Consider the following statements:

1. The Liquified Petroleum Gas (LPG) is the mixture of butane and isobutene (and also small amount of propane).

2. Compressed Natural Gas (CNG) largely contains methane (about 95%).

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

Other constituents of CNG are ethane, propane, and butane.

Q 17 - Which among the following is used to preserve fruits?

A - Hydrogen

B - Chlorine

C - Natural gas

D - Sulfur dioxide

Answer : D

Explanation

N/A

Q 18 - . is the most reactive halogen?

A - Chlorine

B - Fluorine

C - Bromine

D - Astatine

Answer : B

Explanation

Fluorine is reactive with almost everything instantly.

Q 19 - The deep redness in fires flame is because of

A - Strontium

B - Beryllium

C - Lithium

D - Boron

Answer : A

Explanation

N/A

Q 20 - Which among the following is used to give fireworks violet colors?

A - Lithium hydroxide

B - Sodium hydroxide

C - Potassium hydroxide

D - Rubidium hydroxide

Answer : D

Explanation

The chemical formula of Rubidium hydroxide is RbOH.

chemistry_part1_online_quiz.htm
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