Which one among the following is used in bleaching of paper?

  1. A. Chloride
  2. B. Chlorobenzene
  3. C. Ammonium chloride
  4. D. Hydrochloric acid

Correct Answer: A. Chloride

Explanation

Chlorine or compounds like Calcium hypochlorite (bleaching powder) are used to whiten paper pulp[cite: 1].

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