What is the chemical name and formula of bleaching powder?
Answer and explanation
Correct answer: B. Calcium oxychloride,
- Step 1: Bleaching powder is prepared by the action of chlorine gas on dry slaked lime: .
- Step 2: Its chemical name is calcium oxychloride and formula is .
Answer
Calcium oxychloride, .
Why not the others: Calcium carbonate is limestone; calcium sulfate hemihydrate is plaster of Paris; and calcium chloride is a simple neutral desiccant salt.
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