To detect the presence of organic impurities in sand, solution of ___________ is used.
(a) Silver chloride
(b) Sodium acetate
(c) Sodium hydroxide
(d) Calcium carbonate
The question was asked during an online interview.
My question comes from Mortar topic in chapter Steel, Timber, Mortar, Plastics, Non-Ferrous Metals and Alloys of Construction & Building Materials