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During the preparation of hydrogen chloride gas on a humid day, the gas is usually passed through the guard tube containing calcium chloride. The role of calcium chloride taken in the guard tube is to

December 28, 2021
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216. During the preparation of hydrogen chloride gas on a humid day, the gas is usually passed through the guard tube containing calcium chloride.The role of calcium chloride taken in the guard tube is to

Q. During the preparation of hydrogen chloride gas on a humid day, the gas is usually passed through the guard tube containing calcium chloride.The role of calcium chloride taken in the guard tube is to

  1. absorb the evolved gas
  2. moisten the gas
  3. absorb moisture from the gas
  4. absorb Cl– ions from the evolved gas

Answer: absorb moisture from the gas

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