EASY
6th CBSE
IMPORTANT
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Churning is used to separate 

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Important Questions on Separation of Substances

EASY
6th CBSE
IMPORTANT
The components of a mixture are separated 
EASY
6th CBSE
IMPORTANT
A mixture of oil and water can be separated by 
MEDIUM
6th CBSE
IMPORTANT

Which option correctly matches the given columns?

Column I Column II
A. Substances present in a mixture (i) Universal solvent
B. Separation of grains from husk (ii) Pure substance 
C. Liquid which can dissolve many kinds of substances (iii) Winnowing
D. Made up of particles of only one type in a definite proportion (iv) Constituents
EASY
6th CBSE
IMPORTANT

State true or false. Also correct if the statement is false.

All mixtures are heterogeneous.

EASY
6th CBSE
IMPORTANT

State true or false. Also correct if the statement is false.

The boiling point of a pure substance does not get affected when an impurity is added to it.

EASY
6th CBSE
IMPORTANT
Common salt obtained from seawater contains many impurities. 
EASY
6th CBSE
IMPORTANT
Quickening of sedimentation of clay particles by adding a small quantity of alum to the muddy water is called loading.
EASY
6th CBSE
IMPORTANT
Churning is used for obtaining butter from curd.