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Question 81Asked in RRB JE CBT-1, 16 Dec 2024, Shift 1 (9:00 AM)

Why is bleaching powder used for disinfecting drinking water?

  1. AIt reduces the hardness of water.
  2. BIt neutralises the water.
  3. CIt provides an acidic medium.
  4. DIt releases chlorine, which kills germs.
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Correct answer: (D) It releases chlorine, which kills germs.

From RRB JE CBT-1 PYQ 16 Dec 2024, Shift 1 (9:00 AM)

This is question 81 of RRB JE CBT-1 PYQ 16 Dec 2024, Shift 1 (9:00 AM). See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.