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ICSE Class 9 Chemistry Question 14 of 55

ICSE Questions Set in Previous Years — Question 14

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Question

Question 14

State three tests by which you could identify a gas as being chlorine.

Answer

Tests for chlorine:

  1. It turns moist blue litmus paper red and finally bleaches it.
  2. It turns moist starch iodide paper (KI + starch) blue black
  3. Pass the gas through silver nitrate solution, a white ppt. of silver chloride is formed.