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Separation of Substances

Separation of Substances- 6th Std Science Term - II

Congratulations - you have completed Separation of Substances- 6th Std Science Term - II. You scored %%SCORE%% out of %%TOTAL%%. Your performance has been rated as %%RATING%%
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Question 1
A suitable method to separate lighter impurities from a mixture is_____
A
winnowing
B
hand picking
C
evaporation
D
magnetic separation
Question 2
In a mixture, solids of different size can be separated by_______
A
magnetic separation
B
Winnowing
C
sieving
D
evaporation
Question 3
The method used to separate seeds from fruit juice is_____
A
filtration
B
sieving
C
crystallization
D
winnowing
Question 4
Separation of common salt from the sea water is done by______
A
sieving
B
evaporation
C
magnetic separation
D
winnowing
Question 5
The method used to separate substances that differ in colour, size and  Shape from a solid mixture is_____
A
magnetic separation
B
decantation
C
handpicking
D
sieving
Question 6
While preparing tea, the tea dust is separated by____
A
sieving
B
winnowing
C
filtration
D
evaporation
Question 7
Pure rava when adulterated with wheat flour is separated by_____
A
sieving
B
filtration
C
condensation
D
magnetic separation
Question 8
The method of separating the substances based on size, colour and shape using hands is called______
A
sieving
B
winnowing
C
hand picking
D
magnetic separation
Question 9
a mixture of grain and husk are separated by_____
A
sieving
B
winnowing
C
condensation
D
evaporation
Question 10
Which of the following is used to separate lighter particles from heavier particles_____
A
Evaporation
B
Hand picking
C
Winnowing
D
Magnetic separation
Question 11
Which of the following method id applied to remove the impurities such as bran, husk, stone and worms from flour_____
A
sieving
B
hand picking
C
filtration
D
evaporation
Question 12
Iron filings present in rava and tea dust can be separated by______
A
hand picking
B
magnetic separation
C
sieving
D
evaporation
Question 13
The clear liquid above the sediment is called______
A
suspended liquid
B
residue
C
supernatant liquid
D
filtrate
Question 14
The dust particles which remain on the filter paper is called_____
A
anode mud
B
filtrate
C
supernatant liquid
D
residue
Question 15
. In evaporation process, the change that takes place is______
A
solid to vapour
B
vapour to solid
C
solid to liquid
D
liquid to vapour
Question 16
By which method, is salt separated from sea water_____
A
evaporation
B
sublimation
C
condensation
D
sedimentation
Question 17
The process of conversion of vapour into liquid is called______
A
evaporation
B
sublimation
C
condensation
D
filtration
Question 18
Formation of rain involves______
A
evaporation
B
sublimation
C
both (a) and (b)
D
None of these
Question 19
Which process involved in the separation of sand and water?
A
decantation
B
sedimentation
C
filtration
D
All the above
Question 20
One litre of sea water contains____.__ g of salt
A
100
B
10
C
3.5
D
5.5
Question 21
Which method is involved in the preparation of sugar from sugarcane juice_____
A
filtration
B
evaporation
C
Crystallisation
D
All the above
Question 22
Which is the suitable method to separate soluble solid from liquid_____
A
crystallisation
B
sublimation
C
sieving
D
filtration
Question 23
Fill in the blanks. Rice and pluses are separated by_____
A
Hand picking
B
Magnets
Question 24
The process of conversion of liquid into solid is known as_____
A
Separation
B
Crystallisation
C
Filteration
Question 25
The method of separating the substances based on_____ , ______ and _______ using hands is called hand picking.
A
Weight, mass, shape
B
size, colour, shape
Question 26
The mixture of sand and stone are separated by ____
A
Crystallisation
B
Filtering
C
sieving
Question 27
_________ are used to lift heavy loads in harbour using electromagnets.
A
Elevators
B
bulldozer
C
poklane
Question 28
The process of conversion of vapour into liquid is known as________
A
Crystallization
B
Filtration
C
condensation
Question 29
  The process of conversion of liquid into vapour is known as_______
A
evaporation
B
Filtration
C
Condenzation
Question 30
Match the following
  1. Evaporation            a. Liquid to solid
  2. Condensation         b. Hand picking
  3. Crystallisation              c. Winnowing
  4. Separation of vegetables            d. Liquid to vapour
  5. Separation of grain and husk           e. Vapour to liquid
A
3 4 5 1 2
B
1 2 5 4 3
C
3 4 5 2 1
D
5 2 4 3 1
Question 31
Answer the following in one or two words. How will you separate a mixture of wheat flour and wheat granules?
A
Sieving
B
Hand picking
C
Filtration
Question 32
How do we separate vegetables at home?
A
Sieving
B
Hand picking
C
Filteration
Question 33
What is filtrate?
A
The clear water collected after filtration.
B
Used to Separate the two Substance
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There are 33 questions to complete.

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