wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

SEPARATION OF SUBSTANCES

Total questions: 30

Worksheet time: 15mins

Name
Class
Date
1.

Choose a method of separation for the mixture bought by Aryan

a)

Sieving

b)

Handpicking

c)

Threshing

d)

Filtration

2.

Ramaira wants to make low fat Lassi, which method shall she use for separating the fat?

a)

Filtration

b)

Sedimentation

c)

Decantation

d)

Churning

3.

We can separate salt from water using filtration?

a)

True

b)

False

4.

Choose the mixtures which cannot be separated by filtration

a)

Cornflakes in milk

b)

Sugar in Milk

c)

Chocolate syrup in milk

d)

Tea leaves from water

5.

Which method is used to separate pebbles and stones from sand?

a)

Threshing

b)

Winnowing

c)

Sieving

d)

Filtration

6.

Property which forms the basis of sieving

a)

Difference in colour

b)

Difference in weight

c)

Difference in shape

d)

Difference in Size

7.

Identify the separation technique

a)

Threshing

b)

Winnowing

c)

Sieving

d)

Handpicking

8.

In absence of a strainer, which technique can be used to separate tea from tea leaves?

a)

Threshing

b)

Winnowing

c)

Sedimentation-Decantation

d)

Handpicking

9.

you want to dissolve sugar in water, for preparing lemonade. will you add ice before or after adding sugar?

a)

Sugar will be added before ice

b)

Ice will be added before sugar

c)

Sugar will not be dissolved in water

d)

Ice will change the flavour

10.

Oila and water can be separated from each other using which of the following techniques?

a)

Sieving

b)

Filtration

c)

Sedimentation-decantation

d)

Winnowing

11.

Iron particles can be separated from the mixture by:

a)

Magnet

b)

Sedimentation

c)

Evaporation

d)

Decantation

12.

Salt is obtained from sea water by __________

a)

Sublimation

b)

Filtration

c)

Evaporation

d)

Hand picking

13.

The process of settling down of particles of a solid in a liquid is

a)

Sublimation

b)

Sedimentation

c)

Filtration

d)

Decantation

14.

How are grain seeds removed from their stalks?

a)

Sieving

b)

Winnowing

c)

Threshing

d)

All of the above

15.

When the solute dissolves into a solvent and disappears it is called a _____________.

a)

MIxture

b)

Solution

c)

Solvent

d)

None of the above

16.

the process of converting a liquid form to its vapour form is

a)

Decantation

b)

Condensation

c)

Sedimentation

d)

Evaporation

17.

The solubility ____________ with increase in temperature.

a)

doesn't change

b)

decreases

c)

increases

18.
Which technique is shown the diagram below
a)
seiving
b)
filtration
c)
decanting
d)
crystallization
19.

This method ______________can

be used for separating slightly larger

sized impurities like the pieces of dirt,

stone, and husk from wheat, rice or

pulses.

a)

Handpicking

b)

Threshing

c)

Winnowing

d)

Sieving

e)

Filtration

20.

While Handpicking the quantity of such

impurities is ___________

a)

not very large

b)

very large

c)

both large and small

d)

equal-sized

21.

Filtration is a method to separate the components of a

a)

solution

b)

mixture of a liquid and an insoluble substance

c)

pure substance

22.

Threshing is done by

a)

beating

b)

bullocks

c)

machines

d)

all of these

23.

What is the purpose of Filtration?

a)

Separating and insoluble solid from a liquid

b)

Separation of a mixture of 2 solids

c)

Separates heavier substances from a suspension

24.

Which of the following is essential to perform winnowing activity?

a)

Wind

b)

Water

c)

Magnet

d)

Filter paper

25.

When the solute dissolves into a solvent and disappears it is called a _____________.

a)

MIxture

b)

Solution

c)

Solvent

d)

None of the above

26.

Which of the following is not a homogeneous mixture?

a)

Oxygen in water

b)

Tea

c)

Sugar and water

d)

Fried rice

27.

Hand picking method is effective in

a)

solid mixture

b)

Liquid mixture

c)

Gaseous mixture

d)

None of these

28.
To separate a mixture of soil and water what separation method is used?
a)
Filtration
b)
Distillation
c)
Chromatography
d)
Evaporation
29.

How do you separate sugar from water?

a)

Evaporation

b)

Decantation

c)

Sedimentation

d)

Condensation

30.

Hand picking method is effective in

a)

solid mixture

b)

Liquid mixture

c)

Gaseous mixture

d)

None of these