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Match List I with List II and select the answer using the code given below the Lists: List I (Chemical Name) List II (Chemical Formula) A. Washing soda 1. CaOCl₂ B. Baking soda 2. NaHCO₃ C. Bleaching powder 3. Na₂CO₃ 10H₂O D. Gypsum 4. CaSO₄ 2H₂O

Options

  1. AA-4, B-2, C-1, D-3
  2. BA-4, B-1, C-2, D-3
  3. CA-3, B-1, C-2, D-4
  4. DA-3, B-2, C-1, D-4

Correct answer

D. A-3, B-2, C-1, D-4

Step-by-step solution

Washing soda is chemically sodium carbonate decahydrate, having the formula Na₂CO₃ 10H₂O . Baking soda is chemically sodium bicarbonate, having the formula NaHCO₃ . Bleaching powder is chemically calcium oxychloride, having the formula CaOCl₂ . Gypsum is chemically calcium sulphate dihydrate, having the formula CaSO₄ 2H₂O . The correct matching is A-3, B-2, C-1, D-4. Answer: A-3, B-2, C-1, D-4

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