What is the product obtained from the oxidation of isopropyl alcohol?

Which of the following compounds does $NOT$ respond positively to the iodoform test?

Which of the following will not react with $NaOH$?

Among the compounds $A$ and $B$ with molecular formula $C_9H_{18}O_3$,$A$ has a higher boiling point than $B$. The possible structures of $A$ and $B$ are

Absolute alcohol is:

$CH_3OH$ and $C_2H_5OH$ may be distinguished chemically by: