EASY
6th CBSE
IMPORTANT
Earn 100

Why is a diver able to cut through water in a swimming pool?

Important Questions on Mystery of Matter
MEDIUM
6th CBSE
IMPORTANT
Give reasons:
Ice floats on water.

HARD
6th CBSE
IMPORTANT
You are provided with a mixture of salt, sand, oil and water. Write the steps involved for the separation of salt, sand and oil from the mixture by giving an activity along with the diagram.

EASY
6th CBSE
IMPORTANT
Observe the following flow chart, and fill in the blanks with suitable process of separation and constituents of mixtures for the given reaction.

EASY
6th CBSE
IMPORTANT
a) Which method of separation is indicated in the above figure?
b) A mixture of two components X and Y. X is an element and Y is a compound of two non-metals. Identify X and Y.

EASY
6th CBSE
IMPORTANT
The process of changing liquid into vapours is called

EASY
6th CBSE
IMPORTANT
Name the temperature at which a liquid changes into a gas.

EASY
6th CBSE
IMPORTANT
Give one word for each of the following.
Liquids and gases are collectively called.

EASY
6th CBSE
IMPORTANT
In which among the following situations 'evaporation causes cooling' is not exploited?
