Chemistry Part 1 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.

Answer : C

Explanation

Electromagnetic waves can travel through the vacuum of outer space.

Q 3 - Nucleons, the composites of sub-particles, is known as …

A - Mesons

B - Quarks

C - Leptons

D - Photons

Answer : B

Explanation

N/A

Q 4 - If the atomic number of carbon is 6 and atomic weight is 12, then what would be the number of proton?

A - 12

B - 6

C - 18

D - 3

Answer : B

Explanation

N/A

Answer : A

Explanation

Chemical formula talc is H2Mg3(SiO3)4.

Q 6 - Hydrogen (H) is an element of …

A - s block

B - p block

C - d block

D - f block

Answer : A

Explanation

Atomic number of Hydrogen is 1.

Q 7 - Potassium (K) is an element of …

A - s block

B - p block

C - d block

D - f block

Answer : A

Explanation

Atomic number of Potassium is 19.

Q 8 - Which among the following is not a noble metal?

A - Ir

B - Hg

C - Po

D - Pd

Answer : C

Explanation

Po, which is Polonium, is not a noble metal.

2

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 used in RDX to increase the temperature and the speed of fire?

A - Aluminum powder

B - Sodium nitrate

C - Carbon

D - Potassium

Answer : A

Explanation

RDX is also popular as plasticizer; it is highly explosive.

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 - Consider the following statements:

1. The galvanized iron is coated with zinc.

2. Rusting on iron caused by chemical change.

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

Rusting also increased the weight of iron.

Q 13 - Consider the following statements:

1. Glycogen is the reserve carbohydrate of animals.

2. Glycogen is reserved in the liver and muscles tissues.

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

Answer : A

Explanation

Pure water does not have free electrons to move freely and conduct electric charge.

Q 15 - Which among the following is used in ice factory?

A - Carbon dioxide

B - Nitrous oxide

C - Water gas

D - Ammonia

Answer : D

Explanation

The chemical formula of ammonia is NH3.

Q 16 - Which among the following is not an ore of Aluminum (Al)?

A - Corundum

B - Felspar

C - Cryolite

D - Carnalite

Answer : D

Explanation

Carnalite is an ore of Potassium.

Q 17 - Which among the following is used in making bleach for photographic plates?

A - Sodium chloride

B - Potassium dichromate

C - Sodium bisulphate

D - Calcium chloride

Answer : B

Explanation

The chemical formula of Potassium dichromate is K2Cr2O7.

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 - While burning crackers, green light is produced because of …………………….

A - Barium

B - Lithium

C - Beryllium

D - Sodium

Answer : A

Explanation

N/A

Q 20 - Thulium (tm) is an element of …

A - s block

B - p block

C - d block

D - f block

Answer : D

Explanation

Atomic number of Thulium is 69.

chemistry_part1_online_quiz.htm
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