Chemistry Class 10 Chapter 14 Environmental Chemistry – The Atmosphere-2

Chemistry Class 10 Chapter 14
Environmental Chemistry – The Atmosphere-2

1. exosphere is the sub layer of?

Troposphere
Mesosphere
Stratosphere
Thermosphere

2. the temperature of mesosphere is?

17 to -55 degree c
-5 to -93 degree c
-93 to 1800 degre c
-55 to -5 degree c

3. ionosphere is the layer of?

Troposphere
Mesosphere
Thermosphere
Stratosphere

4. troposphere extends to about ___ km above earth's surface?

12
50
60
15

5. the atmospheric layer closest to the earth surface is called as?

Troposphere
Mesosphere
Thermosphere
Stratosphere

6. which atmospheric layer has the most variable conditions?

Mesosphere
Troposphere
Thermosphere
Stratosphere

7. the minimum temperature of thermosphere is ___ degree centigrade?

25
-5
-93
1800

8. the maximum temperature of stratosphere is ___ degree centigrade?

-55
-5
-93
1800

9. the minimum temperature of troposphere is ___ degree centigrade?

17
25
93
1800

10. we live in the?

Mesosphere
Troposphere
Stratosphere
Thermosphere

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