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