HARD
Earn 100

Define decantation with suitable example.

Important Questions on Methods of Separation in Everyday Life

EASY
Distilled water is _____ of the electricity.
EASY
Which of the following does not undergo sublimation?
EASY
Which of the following compound can not be sublimed?
MEDIUM

Name the methods you would use to separate the components from the following mixtures:

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MEDIUM
What are the different methods used to separate solid-solid mixture?
MEDIUM

Match the following.

         Column A                                             Column B
(a) Winnowing               (i) Separation of sand particles from sand and water solution.
(b) Filtration (ii) Separation of salt from seawater.
(c) Condensation (iii) Conversion of water vapour back into the water
(d) Evaporation (iv) Separation of tea leaves from tea
(e) Sedimentation (v) Separation of grains from husk

 

EASY
Decantation is the best process for removing tea leaves from tea.
MEDIUM

Name the methods you would use to separate the components from the following mixtures: 

Question Image   

EASY
Insoluble impurities present in water can be removed by _____.
EASY
Give one word for the following.
The solid particles that settle down during sedimentation. [sediments / precipitate]
EASY
Hand-picking method is chosen when the quantity of impurities in the mixture is more than the required components.
EASY
Grains are separated from fresh stalks by using the threshing method.
MEDIUM
You are given a mixture of flour, bran and sand. How will you separate all the three components from this mixture? Name the methods which can be used to separate the constituents of the mixture.
MEDIUM
The preferred method to recover clear water from a bucket of muddy water is filtration.
MEDIUM
Which of the following property is used to separate a mixture of two solids by sieving?
MEDIUM

Mention the appropriate methods for the separation of the following mixture:

(a) A mixture in which the constituents have different weights.

(b) A mixture that has constituents of different sizes.

EASY
Sieving allows the fine flour particles to remain on the sieve while the bigger impurities pass through the holes of the sieve.
EASY

You are given a bowl filled with cereals, pulses and seeds. Can you think of any method to separate these three things from each other?