Match List I with List II and select the correct answer using the codes given below the lists:
| List- I | List-II | ||
|---|---|---|---|
| A. | Blue vitriol | 1. | Sodium bicarbonate |
| B. | Epsom salt | 2. | Sodium hydroxide |
| C. | Baking soda | 3. | Magnesium sulphate |
| D. | Caustic soda | 4. | Copper sulphate |
Codes:
ABCD