A. Because the lime is very caustic, and removes all organic matters adhering to the walls.
Q. How can mouldiness be prevented?
A. The perfume of any essential oil will prevent mouldiness from ink, paste, preserves, &c.
Alum, salt of amber, borax, nitre, salt, camphor, charcoal, and pyroligneous acid, are all excellent antiseptics.
Salt, corrosive sublimates, copperas, and alum, all arrest the decay of timber. (See p. [426].)
Q. Why will strong Souchong tea poison flies?
A. Because it produces prussic acid, which destroys their nervous system.
Q. Why is strong green tea unwholesome?
A. Because it contains prussic acid, which destroys the nervous system.