Match List I with List II and select the correct answer using the codes given below the lists: [IAS Prelim] 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

• A. A-3;   B-4;   C-2;   D-1
• B. A-4;   B-3;   C-2;   D-1
• C. A-3;   B-4;   C-1;   D-2
• D. A-4;   B-3;   C-1;   D-2