Question

Q.F) Read the following story and identify the methods used by the village woman to
obtain clean water. People living in remote areas in village often have to go far to fetch
water. Even the water that is finally obtained is full of impurities.
(6)
a) Sita brings the water home and first she allows the impurities to settle down.
b) Then she pours the water into another container.
c) She still finds some floating impurities in it. So she uses a clean cloth to remove the
floating impurities.
d) She then boils the water so that the germs and other bacteria may be killed.
e) Again she uses a cloth to transfer the water to a clean vessel.
f) Finally she is happy to be able to give her family clean water.

Answer 1

a)sedimentation
b) and c) filtration
d) distillation of water
f) drinking of clean water
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