Chemistry Part 2 Online Quiz


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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 battery?

A - Zinc

B - Zinc oxide

C - Zinc Chloride

D - Calcium carbide

Answer : A

Explanation

N/A

Q 3 - The industrial process, in which ammonia is produced by the reaction of nitrogen with hydrogen in the presence of a catalyst, is known as …

A - Haber Process

B - Kolbe Reaction

C - Salvay Process

D - Bayer Process

Answer : A

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].

Q 5 - RDX is also known as …

A - Cyclone

B - Cychlonite

C - Cyclonite

D - Carbonite

Answer : B

Explanation

Chemical formula of RDX is C3H6N6O6.

Q 6 - The process, used for the slaking sodium carbonate from calcium carbonate and sodium chloride in large scale, is known as …

A - Haber Process

B - Kolbe Reaction

C - Salvay Process

D - Bayer Process

Answer : C

Explanation

N/A

Q 7 - Which among the following is used in rubber bubble gum?

A - Vinyl rubber

B - Polystyrene

C - Styrene butadiene

D - Bakelite

Answer : C

Explanation

N/A

Q 8 - Oxygen (O) is an element of …

A - s block

B - p block

C - d block

D - f block

Answer : B

Explanation

Atomic number of Oxygen is 8.

Q 9 - Krypton (Kr) is an element of …

A - s block

B - p block

C - d block

D - f block

Answer : B

Explanation

Atomic number of Krypton is 36.

Answer : C

Explanation

N/A

Q 11 - Which among the following is known as fool’s gold?

A - Copper

B - Pyrite

C - Impure gold

D - Titanium

Answer : B

Explanation

The chemical formula of pyrites is FeS2.

Q 12 - Which among the following is used in match industry?

A - Red phosphorus

B - Green phosphorous

C - Calcium sulphate

D - Potassium

Answer : A

Explanation

Red phosphorus is formed by heating of white phosphorus.

Q 13 - Niobium (Nb) is an element of …

A - s block

B - p block

C - d block

D - f block

Answer : C

Explanation

Atomic number of Niobium is 41.

Q 14 - Who among the following discovered that “the elements are arranged in increasing order of atomic weight; every eighth element has properties similar to the first?”

A - Newland

B - Mendeleev

C - Moseley

D - Lavoisier

Answer : A

Explanation

N/A

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

A - Carbon dioxide

B - Nitrous oxide

C - Water gas

D - Phosphorous

Answer : D

Explanation

Phosphorous is also used as refrigerant.

Answer : D

Explanation

Diamond is a bad conductor of heat and electricity.

Q 17 - Samarium (Sm) is an element of …

A - s block

B - p block

C - d block

D - f block

Answer : D

Explanation

Atomic number of Samarium is 62.

Q 18 - In Haber’s process, …………………. is used to produce ammonia.

A - Molybdenum

B - Sulphur

C - Mercury

D - Platinum

Answer : A

Explanation

N/A

Q 19 - Holmium (Ho) is an element of …

A - s block

B - p block

C - d block

D - f block

Answer : D

Explanation

Atomic number of Holmium is 67.

Q 20 - A human body contains …………… Carbon.

A - 20.6%

B - 18.5%

C - 33.3%

D - 9.2%

Answer : B

Explanation

N/A


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