Question # 1

The formula of ozone is.

Choose an answer

O₂

O₃

O

CO

Building are being damaged by acid rain because it attacks.

Choose an answer

Calcium sulphate

Calcium nitrate

Calcium carbonate

Calcium oxalate

Which gas is emitted due to volcanic eruption?

Choose an answer

CO₂

SO₃

NO₂

H₂

Infrared radiations emitted by the Earth are absorbed by.

Choose an answer

CO₂ and H₂O

N₂ and O₂

CO₂and N₂

O₂and CO₂

75% atmosphere mass lies in how many kilometers.

Choose an answer

11 km

30 km

50 km

85 km

PAN stands for

Choose an answer

Poly aniline nitrate

Proxy acetyl nitrate

Poly acetyl nitrite

Proxy acetyl nitrite

How many percentage of sunlight is absorbed by atmosphere gases.

Choose an answer

12%

18%

24%

30%

By the increase in the concentration of CO₂ in air.

Choose an answer

Decrease in heat energy

Increase in heat energy.

Heat energy remains same

None of them

Mesophere extend forms 50 km to:

Choose an answer

50 km

12 km

60 km

85 km

What percentage of nitrogen and oxygen is in the atmosphere.

Choose an answer

69%

79%

9%

89%

___________ is not green house effect.

Choose an answer

Increase of food chain

increase atmospheric pressure

Increase of sea level

Increase of flood risks

Thermosphere lies beyond.

Choose an answer

Stratosphere

Troposphere

Mesosphere

Biosphere

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