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General Chemistry

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

What is alum's chemical name?

a)

Ammonium aluminium sulphate

b)

Ferrous ammonium sulphate

c)

Aluminium ammonium sulphate

d)

Ferrous aluminium sulphate

2.

NaNO3 is commonly called

a)

Sodium nitrate

b)

Carborundum

c)

Chile saltpetre

d)

Phosogene

3.

Calomel's chemical formula is

a)

CaCl2

b)

CaOCl

c)

HgCl2

d)

Hg2Cl2

4.

The gas, which is emitted in the paddy fields and increases the earth's temperature is -

a)

Nitrogen

b)

Carbon dioxide

c)

Carbon monoxide

d)

Methane

5.

Who is regarded as the Father of Modern Chemistry?

a)

Rutherford

b)

Lavoisier

c)

Einstein

d)

C. V. Raman

6.

What is the dominant chemical present in detergent powder?

a)

Hydrochloric acid

b)

Sodium carbonate

c)

Calcium carbonate

d)

Sodium alkyl sulphate

7.

In graphite, each carbon atom is bonded to three other carbon atoms -

a)

forming a three-dimensional structure

b)

in the same plane giving a hexagonal array

c)

in the same plane giving a square array

d)

in the same plane giving a pentagonal array

8.

Which gas was released when Bhopal gas tragedy occurred?

a)

Methyl Cyanide

b)

Methyl Nitrate

c)

Methyl Iso Cyanide

d)

Nitrogen Cyanide

9.

Which one of the following is used as a binder in paints?

a)

Titanium dioxide

b)

Novolac

c)

Phthalocyanine

d)

Silicones

10.

Which one of the following minerals is used as a fuel in nuclear power stations?

a)

Bauxite

b)

Quartz

c)

Feldspar

d)

Pitchblende

11.

Dinitrogen (N2) and dioxygen (O2) are the main constituents of air but they do not react with each other to form oxides of nitrogen because

a)

the reaction requires initiation by a catalyst

b)

the reaction is endothermic and requires very high temperature

c)

oxides of nitrogen are unstable

d)

the stoichiometry of N2 and O2 in air is not ideal for the reaction to take place

12.

Teflon is the common name of -

a)

Polytetrafluoro ethylene

b)

Polyvinyl chloride

c)

Polyvinyl fluoride

d)

Dichlorodifluoro methane

13.

Urea is

a)

A nitrogen containing organic compound

b)

A nitrogen containing inorganic compound

c)

A plant hormone

d)

An Endergonic compound

14.

Which of the following imparts deep blue color to glass?

a)

Cupric oxide

b)

Cobalt oxide

c)

Ferric oxide

d)

Nickel oxide

15.

Brass gets discolored in air because of the presence of which of the following gases in air?

a)

Nitrogen

b)

Carbon dioxide

c)

Hydrogen sulphide

d)

Oxygen