2020 · Q21
Match List-I with List-II and select the correct answer using the code given below the Lists :
List I (Name)
- ABleaching powder
- BBaking soda
- CWashing soda
- DSlaked lime
List II (Formula)
- 1NaHCO3
- 2Na2CO3·10H2O
- 3Ca(OH)2
- 4CaOCl2
Code: A B C D
General KnowledgeChemistry
- A4 1 2 3
- B4 2 1 3
- C3 2 1 4
- D3 1 2 4
Explanation
Bleaching powder is calcium oxychloride, CaOCl2 (A-4). Baking soda is sodium bicarbonate, NaHCO3 (B-1). Washing soda is sodium carbonate decahydrate, Na2CO3.10H2O (C-2). Slaked lime is calcium hydroxide, Ca(OH)2 (D-3). The matching A-4, B-1, C-2, D-3 is option A.