Question

Pick odd one out
1.rotting of an egg
2.condensation of water vapour
3.trimming of hair
4.ripening of fruit

Answer 1

Answer:

condensation of Water

Explanation:

all are chemical changes and this is physical change.

Answer 2

Answer:

2. condensation of water vapour

Explanation:

Condensation of water vapour is the odd one out as it is a physical change whereas rotting of an egg, trimming of hair and ripening of fruit are chemical changes. Condensation of water vapour is a change which can be reversed while the others can't be reversed.