EASY
6th CBSE
IMPORTANT
Earn 100

When sugar dissolves in water, it disappears. That means it must have changed into a new substance. Therefore, dissolving is a chemical change. Do you agree? Give reasons.

Important Questions on Changes Around Us

EASY
6th CBSE
IMPORTANT
In a change, a new substance having different molecules are formed. Is the change physical or chemical?
EASY
6th CBSE
IMPORTANT
Are all physical changes reversible?
EASY
6th CBSE
IMPORTANT
When ice melts it forms water. Ice and water have very different properties. Then we do we say that melting is a physical change?
EASY
6th CBSE
IMPORTANT
Growth in plants and animals is
EASY
6th CBSE
IMPORTANT
If two substances are brought in contact, it will result in
MEDIUM
6th CBSE
IMPORTANT
Which of these is an irreversible change?