Several factories were pouring their wastes in rivers $A$ and $B$. Water samples were collected from

Question

Several factories were pouring their wastes in rivers $A$ and $B$. Water samples were collected from these two rivers. It was observed that sample collected from river $A$ was acidic while that of river $B$ was basic. The factories located near $A$ and $B$ are\

Professor PC Thomas Classes · Answer

(c)\