Chemistry Mock Test: Online GK Test

Chemistry Mock Test

Question type: Multiple Choice Question (MCQ)
Total no. of question: 20
Time duration: 10 minutes
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1 / 20

Who is the father of modern chemistry?

A. Lavoisier

B. Dalton

C. Mendeleeff

D. Priestley

2 / 20

The maximum number of electrons that can be accommodated in a shell depends on the formula

A. 2n2

B. n2

C. 3n2

D. 4n

3 / 20

What is the third most common gas found in the air we breathe?

A. Carbon dioxide

B. Neon

C. Argon

D. Hydrogen

4 / 20

Which one is not metal?

A. nitrogen

B. sulfur

C. sugar

D. all of these

5 / 20

___________ are homogeneous mixtures of two or more

A. Emulsions

B. Enzymes

C. Amalgams

D. Solutions

6 / 20

__________is an alkali metal.

A. Manganese

B. Magnesium

C. Sodium

D. Aluminium

7 / 20

What is the hemihydrate of calcium sulphate commonly known as?

A. Chloroform

B. Plaster of Paris

C. Limestone

D. Gypsum

8 / 20

Which element has similar properties to Beryllium?

A. Calcium

B. Manganese

C. Both A & B

D. Helium

9 / 20

What is the conjugate base of H2O?

A. OH-

B. NH3+

C. H2O

D. All the above

10 / 20

The freezing point of water at 760mm pressure is

A. 273 K

B. 273 C

C. -273 C

D. 0 K

11 / 20

Which of the following is NOT a compound?

A. Milk

B. Chalk

C. Ammonia

D. Sodiumchloride

12 / 20

Permanent Hardness of water can be removed by adding

A. Potassium permanganate

B. Bleaching powder

C. Chlorine

D. Washing soda

13 / 20

The purest form of iron is

A. nickel steel

B. steel

C. wrought iron

D. pig iron

14 / 20

Name the Scientist who stated that matter can be converted into energy

A. Einstein

B. Avogadro

C. Lavoisier

D. Boyle

15 / 20

Which one of the following is used to induce artificial rain?

A. Ammonium chloride

B. Potassium Nitrate

C. Silver lodide

D. Calcium carbonate

16 / 20

The particle with 13 protons and 10 electrons is

A. Al3+ ion

B. nitrogen isotope

C. Al -atom

D. None of these

17 / 20

Which is the gas used for making vegetables and vanaspathi from vegetable oils?

A. Argon

B. Hydrogen

C. Helium

D. Nitrogen

18 / 20

Which acid is produced when milk gets sour?

A. Acetic acid

B. Lactic acid

C. Butyric acid

D. Tartaric acid

19 / 20

Orlon is a polymer of

A. Acrylonitrile

B. Dacron

C. Polyamide Nylon

D. None of the above

20 / 20

The formula of lithium nitride is:

A. LiN

B. Li2N

C. Li3N

D. Li3N2

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