Q. Why does lime destroy the offensive smells of bins, sewers, &c.?
A. Because it combines with the carbonic acid of these places, and converts it into carbonate of lime, which is entirely free from smell.
Q. Why does chloride of lime fumigate a sick room?
A. Because the chlorine absorbs the hydrogen of the stale air; and by this means removes both the offensive smell and the infection of a sick room.
Q. How can the taint of meat be removed?
A. Either by washing with pyroligneous acid,—covering it for a few hours with common charcoal,—or by putting a few lumps of charcoal into the water in which it is boiled.
Q. Why do these things destroy the taint of meat?
A. Because they combine with the putrescent particles, and neutralize their offensive taste and smell.
Q. Why should bed-rooms, cottages, hospitals, and stables, be washed occasionally with lime-white?