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NEETChemistryp Block Elements (Group 15, 16, 17 & 18)

How is hydrochloric acid (HCl) prepared in the laboratory?

Options

  1. ABy heating sodium chloride with water
  2. BBy heating sodium chloride with concentrated sulfuric acid
  3. CBy combining sodium and chlorine gas
  4. DBy passing chlorine gas through water

Correct answer

B. By heating sodium chloride with concentrated sulfuric acid

Step-by-step solution

Hydrochloric acid (HCl) can be prepared in the laboratory by heating sodium chloride with concentrated sulfuric acid.

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