📊 Chemistry
Q. Which one of the following is highly exothermic?
  • (A) Dissolving copper sulphate in water
  • (B) Dissolving bleaching powder in water
  • (C) Dissolving washing soda in water
  • (D) Dissolving sulphuric acid in water
✅ Correct Answer: (D) Dissolving sulphuric acid in water

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