Question # 1

The gas used by animals to perform respiration.

Choose an answer

O₂

N₂

SO₂

Cl₂

pH of acid rain is:

Choose an answer

7-5

6-7

1-2

4-5

Building and Monuments lose their beauty and shine due to

Choose an answer

U.V radiations

Chlorofluoro carbons

Acid rain

IR radiations.

Mesosphere has a temperature range.

Choose an answer

17 ^oC - 58^oC

58^oC - 2^oC

2^oC - 93^oC

- 93^oC

Iron and steel structure are damaged by.

Choose an answer

Carbon monoxide

Sulphur dioxide

Methane

Carbon dioxide

The smell of photocopies machine is due to the presence of.

Choose an answer

Chlorine gas

Neon gas

Helium gas

Ozone gas.

Which factor determines the severity of a pollutant?

Choose an answer

Chemical nature

concentration

Persistence

All of them

Ozone is beneficial for us as it absorbs.....................

Choose an answer

Infrared Radiations

Ultraviolet radiations

Chlorofluorocarbons

Air pollutants

Which gas is responsible in warming the atmosphere?

Choose an answer

Nitrogen

Hydrogen

Helium

Fluorine

Almost all aircrafts fly in:

Choose an answer

troposphere

mesosphere

stratosphere

themosphere

Effects of ozone depletion are following except the one.

Choose an answer

Increases infectious diseases

Increases crops production

Can cause skin cancer

Can cause climatic changes.

Incinerator reduces solid waste into .

Choose an answer

Ash

Flue gas

Heat

All of them

Cause of global warming is :

Choose an answer

CO₂ gas

SO₂gas

NO₂gas

O₂gas

More Classes

Other Links

Chemistry 10th Class English Medium Unit 14 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