What is used to preserve the dead bodies of animals?

Identify the functional groups present in the following compounds:
$(a) CH_3COCH_2CH_2CH_2CH_3$
$(b) CH_3CH_2CH_2COOH$
$(c) CH_3CH_2CH_2CH_2CHO$
$(d) CH_3CH_2OH$

$(a)$ Give chemical tests to detect the presence of:
$(i)$ Ethanol
$(ii)$ Ethanoic acid
$(b)$ Why is ethanoic acid called glacial acetic acid?

The first member of the alkyne homologous series is:

The soap molecule has a

What is saponification? Write the reaction involved in this process.