Sources of Water


 
 
Concept Explanation
 

Sources of Water

Sources of Water in Nature:

Water in its liquid form occurs in nature as rainwater, surface water and underground water. It is also found in the soil and in the air.

1. Rainwater  is the purest form of natural water because it is naturally distilled Water. Water vapour from the seas and oceans form clouds. The water vapour in the clouds condenses and forms water droplets which fall on the earth as rain. Thus, rainwater is fairly pure.

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Sample Questions
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Question : 1

Assertion A : Some water moves over the surface of the ground into lakes and rivers.

Reason R : Some water seeps into the ground.

Right Option : B
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Question : 2

Statement (i) : The sea water is saline.

Statement (ii) : The sea water contains many dissolved salts.

Right Option : C
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Question : 3

At some places water coming from the underground contains a lot of dissolved minerals and is called _____________

Right Option : B
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