Question

Match the Columns.
Column A
(a) Hand-picking
(b) Condensation
(c) Threshing
(d) Evaporation
(e) Sieving
(f) Filtration
(g) Winnowing
(h) Loading
Column B
(i) Separation of grains and stalks
(ii) To increase the speed of sedimentation
(iii) Conversion of vapours to liquid
(iv) Separation of husk and grain
(v) Separation of chalk and water
(vi) Conversion of liquid into vapours
(vii) Separation of stones and sand
(viii) Separation of pulses and stones
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Answer 1

Explanation:

a-8

b-3

c-1

d-6

e-7

f-2

g-5

h-4

Answer 2

Answer:

1.Hand picking- separation of pulses and stones

2.Condensation - conversion of vapour to liquid.

3.Threshing - separation of grains and stalks

4.Evaporation - conversion of liquid into vapours.

5.Sieving- separation of stones and sand.

6.Filtration- separation of chalk and water.

7.Winnowing- separation of husk and grain.

8.Loading -to increase the speed of sedimentation.

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