wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Separation of Substances- Grade 6

Total questions: 45

Worksheet time: 45mins

Name
Class
Date
1.

During _________________ the solid particles that settle down forming a layer are called sediments

a)

Decantation

b)

Condensation

c)

Evaporation

d)

sieving

e)

Sedimentation

2.

Which process uses a paper to catch the solids?

a)

Sedementation

b)

Decantation

c)

Filtration

d)

Evaporation

3.

By which process is oil and vinegar commonly separated?

a)

Sedimentation

b)

Decantation

c)

Condensation

d)

Distillation

4.

Which technique is shown in the diagram below?

a)

seiving

b)

filtration

c)

decantation

d)

crystallization

5.

What is the purpose of Filtration?

a)

Separating an insoluble solid from a liquid

b)

Separation of a mixture of 2 solids

c)

Separates heavier substances from a suspension

6.
Statement A: A mixture of cement and pebbles can be separated by using the sieve with small pores Statement B: A sieve with small pores will allow only small cement particles to pass through and will hold back the pebbles
a)
a. Statement A is true only
b)
b. Statement B is true only
c)
c. Both are false
d)
d. Both are true
7.

A material that allows liquids to pass through it, while very small solids remain behind as residue

a)

Filter

b)

Sieve

c)

Funnel

d)

Spoon

8.

A student collects seashells at the beach when they were on a picnic. Teacher will not allow the student to take any sand on the bus. If the student wishes to take the seashells home he must separate the seashells from the sand. Which of the following would be most helpful when trying to separate the sand from the sea shells?

a)

hot plate

b)

water

c)

sieve

d)

magnet

9.

While preparing chapatis, Priti found that the flour to be used was mixed with wheat grains. Which out of the following is the most suitable method to separate the grains from the flour?

a)

Threshing

b)

Sieving

c)

Winnowing

d)

Filtration

10.

Substances in which solute dissolves is called __________.

a)

solute

b)

solvent

c)

saturation

d)

none of the above

11.

A mixture is a material made by mixing two or more substances which can be easily separated.

a)

true

b)

false

12.

The process of conversion of water into vapor is called condensation.

a)

true

b)

false

13.

The opposite process of evaporation is condensation.

a)

true

b)

false

14.

Name this following method-

a)

threshing

b)

handpicking

c)

winnowing

d)

none of these

15.

Identify and name the image-

a)

Handpicking

b)

threshing

c)

sieving

d)

filtration

16.

Identify and name the image-

a)

threshing

b)

winnowing

c)

handpicking

d)

filtration

17.

Name the method by which we get salt from ocean water.

a)

condensation

b)

evaporation

c)

both a and b

d)

none of the above

18.

Husk is separated from rice by __________.

a)

churning

b)

winnowing

c)

evaporation

d)

none of these

19.

The process of conversion of water into its liquid is called condensation.

a)

true

b)

false

20.

How are grain seeds removed from their stalks?

a)

Sieving

b)

Winnowing

c)

Threshing

d)

All of the above

21.

What is a mixture?

a)

A chemical combination of two or more different substances.

b)

A physical combination of two or more different substances.

c)

A chemically pure substance.

d)

A special type of solution

22.

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

a)

MIxture

b)

Solution

c)

Solvent

d)

None of the above

23.

Pure substances are made up of the same kind of atoms.

a)

True

b)

False

24.

Which of the following is not a homogeneous mixture?

a)

Oxygen in water

b)

Tea

c)

Sugar and water

d)

Fried rice

25.

Lemonade is a special mixture called a

a)

substance

b)

solution

c)

plasma

d)

ingredient

26.

A fruit salad is a

a)

solution

b)

mixture

27.

Which of the following is essential to perform winnowing activity?

a)

Wind

b)

Water

c)

Magnet

d)

Filter paper

28.

Hand picking method is effective in

a)

solid mixture

b)

Liquid mixture

c)

Gaseous mixture

d)

None of these

29.

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

30.

In ________ the stalks are beaten to free

the grain seeds.

a)

Winnowing

b)

Threshing

c)

Sieving

d)

Filtration

31.

___________ is used to

separate heavier and lighter components

of a mixture by wind or by blowing air.

a)

Threshing

b)

Winnowing

c)

Sieving

d)

Sedimentation

32.

________ allows the fine flour particles

to pass through the holes of the sieve

while the bigger impurities remain on

the sieve.

a)

Siever

b)

Sieving

c)

Sievester

d)

Decantionion

33.

When the heavier component in a

mixture settles after water is added to

it, the process is called _______________.

a)

Sedimentation

b)

Decantation

c)

Filtration

d)

Winnowing

34.

Fruit and vegetable juices usually go through

_________ before drinking to separate the

seeds and solid particles of pulp.

a)

Decantation

b)

Filtration

c)

Sedimentation

d)

Hand-Picking

35.

The process of conversion of water

into its vapour is called ____________.

a)

Decantation

b)

Sedimentation

c)

Filtration

d)

Evaporation

36.

When the steam comes in contact

with the metal plate cooled with ice, it goes through a process called

__________and forms liquid water.

a)

Purification

b)

Sedimentation

c)

Filtration

d)

Condensation

37.

A _______________________ is one in which no more of that substance can be

dissolved.

a)

Dry Solution

b)

Saturated Solution

c)

Paucity Solution

d)

Both Paucity and Saturated Solution

38.
The diagram shows the apparatus for separating soil and water. What are the labelled parts?
a)
A = distillate, B = filtrate
b)
A = filtrate, B = residue
c)
A = residue, B = filtrate
d)
A = residue, B = distillate
39.
What is the boiling point of water?
a)
0oC
b)
100oC
c)
80oC
d)
95oC
40.

What separation technique does the picture show?

a)

Sieving

b)

filtering

c)

magnetic separation

d)

Distillation

41.

Sawdust is not soluble in water. If, accidentally some particles of sawdust drop into a glass of water. How would you separate them from water?

a)

Decanting

b)

Filtration

c)

Sieving

d)

Distillation

42.
Which one of the following is the name for separation technique in the picture below
a)
distillation
b)
dissolving
c)
evaporation
d)
decanting
43.
An example of a mixture is 
a)
Water and oil
b)
Cereal and Milk 
c)
Sand and water 
d)
All of the above
44.
The drops of water that appear on the outside of a glass of cold water on a warm day are an example of?
a)
sublimation
b)
condensation
c)
evaporation
45.
Iron and copper screws could be separated using a magnet because
a)
iron is magnetic, copper is not
b)
copper is magnetic, iron is not
c)
neither metal is magnetic
d)
copper screws are heavier than iron and fall off the magnet