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Water — CHEMISTRY STD 7 — Question

ICSE BoardEnglish MediumSTD 7CHEMISTRYWater1 Mark
MCQ
Chlorination of water is done by using
  • ✓
    bleaching powder
  • B
    bromine gas
  • C
    sulphur dioxide gas
  • D
    hydrogen gas
✓

Answer

Correct option: A.
bleaching powder
bleaching powder

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