Discussion
Bleaching powder is made by
Answer: C
Correct answer: passing chlorine over slaked lime
Bleaching powder is made by absorbing chlorine into dry slaked lime, calcium hydroxide, giving a solid mixed calcium chloride hypochlorite. Its advantage over a hypochlorite solution is that it is a stable dry powder that can be transported and stored, which is why it remained the standard bleaching and disinfecting agent for so long.
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