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Class 10 Chemistry Environment Chemistry The Atmosphere


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Class 9Class 10First YearSecond Year
4.CO2isresponsibleforheatingupatmospherehow?4. \mathrm{CO}_{2} is responsible for heating up atmosphere how?

8. How does acid rain increase the acidity of soil?
8. How does acid rain increase the acidity of soil?

8.Howdoesacidrainincreasetheacidityofsoil?8. How does acid rain increase the acidity of soil?

15. Which gas protects the Earths surface from ultraviolet radiations?a. \mathrm{CO}_{2} b. \mathrm{CO} c. \mathrm{N}_{2} d. \mathrm{O}_{3}
15. Which gas protects the Earths surface from ultraviolet radiations?a.  \mathrm{CO}_{2} b.  \mathrm{CO} c.  \mathrm{N}_{2} d.  \mathrm{O}_{3}

15.WhichgasprotectstheEarthssurfacefromultravioletradiations?a.CO2b.COc.N2d.O315. Which gas protects the Earths surface from ultraviolet radiations?a. \mathrm{CO}_{2} b. \mathrm{CO} c. \mathrm{N}_{2} d. \mathrm{O}_{3}

9. Point out two serious effects of ozone depletion.
9. Point out two serious effects of ozone depletion.

9.Pointouttwoseriouseffectsofozonedepletion.9. Point out two serious effects of ozone depletion.

Write down the significance of atmospheric gases.
Write down the significance of atmospheric gases.

Writedownthesignificanceofatmosphericgases.Write down the significance of atmospheric gases.

10.How is ozone layer formed in stratosphere?
10.How is ozone layer formed in stratosphere?

10.Howisozonelayerformedinstratosphere?10.How is ozone layer formed in stratosphere?

5. CO is a hidden enemy explain its action.
5. CO is a hidden enemy explain its action.

5.COisahiddenenemyexplainitsaction.5. CO is a hidden enemy explain its action.

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