A few changes are listed in the box :

Which of the following represents their correct classification?

Options

A. Physical (irreversible)- i, vii
Physical (reversible)- ii, v
Chemical (irreversible)- iii, iv, vi
B. Physical (irreversible)- ii, v Physical (reversible)- i, vii Chemical (irreversible)- iii, iv, vi
C. Physical (irreversible)- ii, iii Physical (reversible)- i, iv Chemical (irreversible)- v, vi, vii
D. Physical (irreversible)- i, vi Physical (reversible)- v, vii Chemical (irreversible)- ii, iii, iv

Answer

A

Explanation

Physical irreversible changes - Cutting of hair, shredding of paper
Physical reversible changes - Mixing fruits and cornflakes, bending of a piece of metal on heating
Chemical irreversible changes - Adding baking soda to vinegar, spoiling of food, decomposition of old leaves.