Match List-I with List-II and select the correct answer using the code given below the Lists :
| List-I (Name) | List-II (Formula) |
|---|---|
| A. Bleaching powder | 1. NaHCO3 |
| B. Baking soda | 2. Na2CO3 · 10H2O |
| C. Washing soda | 3. Ca(OH)2 |
| D. Slaked lime | 4. CaOCl2 |
Code :
A-4, B-1, C-2, D-3
A-4, B-2, C-1, D-3
A-3, B-2, C-1, D-4
A-3, B-1, C-2, D-4
Answer is Right!
Answer is Wrong!
This question was previously asked in
UPSC CDS-1 – 2020
– Bleaching powder is Calcium oxychloride, formula CaOCl₂. (A-4)
– Baking soda is Sodium bicarbonate or Sodium hydrogen carbonate, formula NaHCO₃. (B-1)
– Washing soda is Sodium carbonate decahydrate, formula Na₂CO₃ · 10H₂O. (C-2)
– Slaked lime is Calcium hydroxide, formula Ca(OH)₂. (D-3)
The correct matching is A-4, B-1, C-2, D-3.
– Baking soda: NaHCO₃
– Washing soda: Na₂CO₃ · 10H₂O
– Slaked lime: Ca(OH)₂