Which one among the following is used in bleaching of paper?
- A. Chloride ✓
- B. Chlorobenzene
- C. Ammonium chloride
- 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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