Question

Matching
a) Freezing of water. (1) periodic change


b) photosynthesis (2) chemical change

c) rusting of iron (3) reversible change

d) burning of coal. (4) irreversible change

e) change of season (5) permanent change


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Answer 1

Answer:

freezing of water = reversible change

photosynthesis = irreversible change

rusting of iron = permanent change

burning of coal = chemical change

change of season = periodic change

Hope it helps you