1.

Carefully observe the figures below and choose the correct      

A. Both the changes show in 'A? and 'B' are irreversible
B. Both the changes 'A' and 'B' are reversible
C. 'A' is reversible but 'B' is irreversible
D. 'A' is irreversible but 'B' is reversible
Answer» C. 'A' is reversible but 'B' is irreversible


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