Question # 1

The envelope of different gases around the earth is called.

Choose an answer

Atmosphere

Brosphere

Lithosphere

Hydrosphere

Higher concentration of CO causes.

Choose an answer

Fatique

Headache

Both of them

None of them

Major portion of ozone layer is foun in.

Choose an answer

Troposphere

Stratosphere

Mesosphere

Thermosphere

Red hair contains compound of.

Choose an answer

Iron

copper

titanium

Molybdenum

A salt always

Choose an answer

Contain ions

Contains water of crystallization

Dissolves in water

Forms crystals which conduct electricity

The coal in which the percentage of carbon is 60%

Choose an answer

Peat

Lignite

Bituminous

Anthracit

When the magnitude of Kc is very large it indicates.

Choose an answer

Reaction mixture consist of almost all products.

Reaction mixture consist of almost all reactants.

Reaction has not gone to completion

Reaction mixture has negligible products.

Halogenation of alkanes in the presence of diffused sunlight takes place.

Choose an answer

Suddenly, only in one step

Slowly in one step

In a series of step

Fastly in two steps

|Which one is not an Arrhenius acid?

Choose an answer

HCl

H2SO₄

CO₂

HNO₃

The percentage of protein in dry weight of cell.

Choose an answer

20%

40%

50%

70%

The lives of aquatic plants and animals are indirectly related to concentration of dissolved gas in water.

Choose an answer

Nitrogen

Hydrogen

Oxygen

Carbon

Percentage of methane present in natural gas is.

Choose an answer

75%

80%

85%

90%

The percentage of water in human body is about:

Choose an answer

60%

50%

70%

80%

More Classes

Other Links

Chemistry 10th Class English Medium Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer