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Separation of substances

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

The process used to separate grain from stalks.

a)

Handpicking

b)

Threshing

2.

We can separate butter from milk by

a)

Churning

b)

Filtration

3.

Pebbles and stones are usually removed from sand in construction sites by

a)

Winnowing

b)

Sieving

4.

After the sedimentation of mud in water, the clear water can be separated by

a)

Evaporation

b)

Decantation

5.

Common salt can be separated from sea water by

a)

evaporation

b)

condensation

6.

While preparing lemonade we need to dissolve sugar in water --------- adding ice

a)

before

b)

after

c)

while

7.

Write true or false

Filtration can be used to separate sugar from sugar solution

a)

True

b)

False

8.

Choose the odd one

a)

Decantation

b)

Evaporation

c)

Filtration

9.

State whether true or false

By using a combination of methods we can separate more than one component from the mixture

a)

True

b)

False

10.

More substance can be dissolved in its saturated solution by

a)

(a) heating

b)

(b) adding more water

c)

(c) neither (a) nor (b)

d)

(d) Both (a) and (b)