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 - The concept of entropy was introduced by law of thermodynamics.

Answer : B

Explanation

N/A

Q 2 - Wave Nature of electron was defined by

A - Schrodingers wave equation

B - de-Broglies equation

C - Bohrs model

D - Planks Quantum theory

Answer : A

Explanation

Schrondingers wave equation describes quantum mechanical behavior.

Q 3 - Consider the following statements:

1. Carbon dioxide is prepared in the laboratory by treating marble pieces with dilute hydrochloric acid.

2. Carbon dioxide is colorless, odorless, and incombustible gas.

Choose the correct answer from the codes given below:

Answer : C

Explanation

Chemical formula of Carbon dioxide is CO₂.

Q 4 - Which among the following is used for removing dampness in the room or container?

A - Sodium chloride

B - Potassium dichromate

C - Sodium bisulphate

D - Sodium bisulphate

Answer : D

Explanation

Calcium chloride can collect enough water from the air. The chemical formula of Calcium chloride is CaCl₂.

Q 5 - Nylon is a

A - Semi-aromatic polyamides

B - Polyester

C - Polythene

D - Polyester

Answer : A

Explanation

N/A

Q 6 - Plaster of Paris contains

Answer : B

Explanation

N/A

Q 7 - What is chemical name of Quick lime?

Answer : D

Explanation

N/A

Q 8 - Argon (Ar) is an element of

Answer : B

Explanation

Atomic number of Argon is 18.

Q 9 - Saccharine is prepared from

Answer : A

Explanation

Toluene is a colorless and water-insoluble liquid.

Q 10 - Chloroform in presence of sunlight forms poisonous gas known as

A - Phosgene

B - Arsenic pentafluoride

C - Boron tribromide

D - Cyanogen

Answer : A

Explanation

The chemical formula of Phosgene is COCl₂.

Q 11 - Consider the following statements:

1. Copper and silver are the best conductors of electricity.

2. Oxides of metals normally are alkaline.

Choose the correct answer from the codes given below:

Answer : C

Explanation

N/A

Q 12 - Which among the following is used in preparing fire proof clothe?

A - Calcium hydride

B - Calcium carbide

C - Calcium carbonate

D - Sodium phosphate

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 - Nobelium (No) is an element of

Answer : D

Explanation

Atomic number of Nobelium is 102.

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 carbonate is used in

A - Lime and toothpaste

B - Cement industry

C - Bleaching action

D - Ointment

Answer : A

Explanation

The chemical formula of calcium carbonate is CaCO₃.

Q 17 - Chemical formula of Philosophers wool is

Answer : A

Explanation

Philosophers wool or zinc oxide consists of zinc and oxygen.

Q 18 - Which among the following is used to stop bleeding?

Answer : A

Explanation

Chemical formula of ferric chloride is FeCl₃.

Q 19 - Mendelevium (Md) is an element of

Answer : D

Explanation

Atomic number of Mendelevium is 101.

Q 20 - Which among the following is used as ant-acid to neutralize stomach acid and as laxative?

A - Magnesium hydroxide

B - Calcium hydroxide

C - Strontium hydroxide

D - Barium hydroxide

Answer : A

Explanation

The chemical formula of Magnesium hydroxide is [Mg(OH)₂].

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