Question 44
EasyOriginal questionBleaching powder is commonly added to drinking water supplies in order to
Show the answer and explanation
CorrectNot quiteAnswer C
Correct answer: C
Explanation
Bleaching powder (calcium oxychloride, CaOCl₂) releases chlorine in water.
Chlorine kills disease-causing bacteria, so the water becomes safe to drink.
- Concept
- Bleaching powder as a disinfectant
- Typical timeTypical
- 35 s
- Your timeYours
- —
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