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प्रश्न
How can you observe the three forms of water in (i) nature and (ii) at home?
उत्तर
(i) In nature, we can observe the solid form of water as falling snow, hails etc. We can observe the liquid form of water as rain or in water bodies such as rivers, lakes, oceans etc. Although we cannot see water in its gaseous state in nature, we can feel it in the air on a hot, humid day.
(ii) At home, we can observe the three forms of water ice (solid), water (liquid) and steam (gaseous).
APPEARS IN
संबंधित प्रश्न
Mark ‘T’ if the statement is true and ‘F’ if it is false:
Water from rivers is the only source for irrigation in the fields. (T/F)
Explain how groundwater is recharged.
Fill in the blanks with the appropriate answers:
People obtain groundwater through _______ and ________.
Answer the following questions in short:
Which source of water contains the highest concentration of salt in it?
Answer the following questions in short:
Why is rainwater considered the purest form of natural water?
What possible impurities does rainwater contain?
Fill in the blank.
_________ is the purest form of natural water.
Fill in the blank.
__________ is the chemical added to water to remove the tiny suspended particles.
Fill in the blanks.
The elements present in the molecules of water are ______ and _____.
State the sources of water :
on the earth’s surface
