Science · Chemistry
How is bleaching powder chemically prepared?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1By passing chlorine gas over dry slaked lime✓
- 2By reacting calcium chloride with water
- 3By passing oxygen gas over dry slaked lime
- 4By heating limestone in the presence of carbon dioxide
Correct answer
By passing chlorine gas over dry slaked lime
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