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GRADE 6 Separation of substances

Total questions: 10

Worksheet time: 8mins

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.

The materials to make Paneer can be found in

a)

Sedimentation

b)

Filtration

c)

Decantation

3.

Which process uses a paper to catch the solids?

a)

Sedementation

b)

Decantation

c)

Filtration

d)

Evaporation

4.

By which process is oil and vinegar is commonly separated?

a)

Sedimentation

b)

Decantation

c)

Condensation

d)

Distillation

5.
Which technique is shown the diagram below
a)
seiving
b)
filtration
c)
decanting
d)
crystallization
6.

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

7.
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
8.

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

9.

A student collects seashells at the beach when they werre 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

10.

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