State True or False for the following statements:
$(i)$ Acetone is a propanone and there is an amide group in it.
$(ii)$ Acetone is dimethyl ketone.
$(iii)$ The formula of acetone is $CH_3COCH_3$.
$(iv)$ Acetone possesses a carbonyl group.

(A) $(i)$ False: Acetone is propanone,but it contains a ketone group,not an amide group.
$(ii)$ True: Acetone is dimethyl ketone because two methyl groups are attached to the carbonyl carbon.
$(iii)$ True: The chemical formula of acetone is $CH_3COCH_3$.
$(iv)$ True: Acetone contains a carbonyl group $(>C=O)$.