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Chemistry

The acid used in the laboratory preparation of carbon dioxide gas is:

  1. dil. hydrochloric acid
  2. conc. sulphuric acid
  3. dil. sulphuric acid
  4. conc. hydrochloric acid

Carbon dioxide

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Answer

dil. hydrochloric acid

Reason — The acid used in the laboratory preparation of carbon dioxide gas is dil. hydrochloric acid.

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