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 - The process by which liquid can be purified by means of heating and cooling is known as

A - Quenching

B - Distillation

C - Cupellation

D - Levitation

Answer : B

Explanation

N/A

Q 2 - The concept of orbital i.e. elliptical & spherical was defined by

A - Thomsons model

B - Rutherfords model

C - Summerfields model

D - Planks Quantum theory

Answer : B

Explanation

Summerfield further explained the Bohrs model.

Q 3 - Consider the following statements:

1. Liquefied Petroleum Gas (LPG) is a mixture of hydrocarbons such as propane, butane, and pentane.

2. Because of low boiling point, LPG are stored under pressure to keep in a liquid state.

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 4 - Which among the following is used as a stabilizer in plastics?

A - Magnesium hydroxide

B - Magnesium hydroxide

C - Strontium hydroxide

D - Strontium hydroxide

Answer : C

Explanation

The chemical formula of Strontium hydroxide is [Sr(OH)2].

Answer : B

Explanation

Chemical formula of RDX is C3H6N6O6.

Q 6 - In reference to periodic table, noble gases belong to

A - Group 2

B - Group 11

C - Group 15

D - Group 18

Answer : D

Explanation

N/A

Q 7 - Chlorine (Cl) is an element of

A - s block

B - p block

C - d block

D - f block

Answer : B

Explanation

Atomic number of Chlorine is 17.

Q 8 - Consider the following statements:

1. Potash fertilizers give structural length to the plants.

2. Potassium nitrate is one of the most important potash fertilizers.

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 9 - Saccharine is prepared from

A - Toluene

B - Benzene

C - Chlorine

D - Propane

Answer : A

Explanation

Toluene is a colorless and water-insoluble liquid.

Q 10 - Consider the following statements:

1. Bismuth is found in independent state.

2. Bismuth is very less reactive.

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 11 - Radon (Rn) is an element of

A - s block

B - p block

C - d block

D - f block

Answer : B

Explanation

Atomic number of Radon is 86.

Q 12 - Manganese (Mn) is an element of

A - s block

B - p block

C - d block

D - f block

Answer : C

Explanation

Atomic number of Manganese is 25.

Q 13 - Consider the following statements:

1. The density of water remains maximum at 00 to 40 C temperature.

2. Above 40C, the increasing kinetic energy disperses the molecules that decreases the density.

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 - The pH value of lemon juice is about

A - 4

B - 2

C - 6

D - 8

Answer : B

Explanation

N/A

Q 15 - Which among the following is used in Calomel?

A - Mercury

B - Mercuric oxide

C - Mercuric chloride

D - Aluminium sulphate

Answer : C

Explanation

The chemical formula of mercuric chloride is HgCl2.

Q 16 - Consider the following statements:

1. Neutron was discovered by James Chadwick.

2. Charge on neutron is zero.

Choose the correct answer from the code 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

Answer : B

Explanation

Louis de Broglie first proposed his hypothesis in 1924.

Q 19 - Consider the following statements:

1. A proton was discovered by Goldstein.

2. A proton was named by Rutherford.

Choose the correct answer from the code given below:

A - Only 1

B - Only 2

C - Both

D - Neither 1 nor 2

Answer : C

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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