EASY
6th CBSE
IMPORTANT
Earn 100

Give two examples for the following type of change:

Chemical changes

Important Questions on Changes Around Us

EASY
6th CBSE
IMPORTANT

Give two examples for the following type of change:

Reversible change

EASY
6th CBSE
IMPORTANT

Give two examples for the following type of change:

Irreversible changes

EASY
6th CBSE
IMPORTANT

Give two examples for the following type of change:

Desirable changes

EASY
6th CBSE
IMPORTANT

Give two examples for the following type of change:

Undesirable changes

EASY
6th CBSE
IMPORTANT
When two substances are brought in contact, there may be a physical or a chemical change, depending on the conditions. Give two examples to prove this statement.
MEDIUM
6th CBSE
IMPORTANT

Classify the following as reversible or irreversible changes (in tabular form):

Ripening of a fruit, burning of dry leaves, cooling of the air, melting of ice cream, baking a cake, dissolving sugar in water, blooming of flowers, development of a baby into an old man, bursting of a cracker.

MEDIUM
6th CBSE
IMPORTANT
Describe in detail how a metal rim is fixed on a wooden wheel?
MEDIUM
6th CBSE
IMPORTANT

Bring out the important differences between :

Physical change and chemical change -