EASY
7th CBSE
IMPORTANT
Earn 100

Give an example of a change which is permanent.

Important Questions on Physical and Chemical Changes

EASY
7th CBSE
IMPORTANT
Give an example of a physical change.
MEDIUM
7th CBSE
IMPORTANT
Give an example of a change which is both physical as well as chemical change.
MEDIUM
7th CBSE
IMPORTANT
Give an example of chemical change in which heat, light, sound and unpleasant gases are produced.
EASY
7th CBSE
IMPORTANT

Give one word for the following

Cutting of paper is a _____

MEDIUM
7th CBSE
IMPORTANT

Give one word for the following:

 Change which can be reversed

MEDIUM
7th CBSE
IMPORTANT

Give one word for the following

Change which cannot be reversed.

MEDIUM
7th CBSE
IMPORTANT

Give one word for the following.

The reaction in which one substance decomposes into two or more substances.

MEDIUM
7th CBSE
IMPORTANT
Name a change in which no new substance is formed .