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.
Which of the following are correct : (a) Rainwater is the purest form of natural water because it is naturally distilled Water. (b) Surface water is the purest form of natural water because it is naturally distilled Water. (c) Water found under the ground is actually surface water that has percolated deep into the earth. | |||
Right Option : C | |||
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Statement (i) : Role of ocean in supplying usable water is quite important. Statement (ii) : When the sea water reaches us, in various other forms of sources of water, it is no more saline. | |||
Right Option : C | |||
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Right Option : D | |||
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