Question

the compound of calcium which is yellow in colour

Answer 1

the compound of calcium which is yellow in colour is bleaching powder.

Answer 2

Accepted Answer: The calcium compound used for disinfecting water is bleaching powder. Bleaching powder is represented as CaOCl2, though the actual composition is quite complex. Bleaching powder is produced by the action of chlorine on dry slaked lime [Ca(OH)2].Jul 21, 2015