Question

Classify the following changes into fast/slow and
reversible/irreversible.
(a) Lightning of tube light.
(b) Heating of sugar in a pan
(c) 'Freezing of water.

Answer 1

Answer:

1.Fast change

2.Irreversible change

3.Reversible change.

Answer 2

a) fast and reversible

b) slow and irreversible

c) slow and reversible