Match List I with List II and select the correct answer using the codes given below the lists:
1. List I - List II
2. I. Blue vitriol - A) Sodium bicarbonate
3. II. Epsom salt - B) Sodium hydroxide
4. III. Baking soda - C) Magnesium sulphate
5. IV. Caustic soda - D) Copper sulphate
A
I-C, II-D, III-B, IV-A
B
I-D, II-C, III-C, IV-A
C
I-C, II-D, III-A, IV-B
D
I-D, II-C, III-A, IV-B
Correct Answer: Option D
Explanation
1. Match the common names with their chemical names/formulas:
I. Blue vitriol: This is the common name for hydrated Copper sulphate (CuSO4·5H2O) (D).
II. Epsom salt: This is the common name for Magnesium sulphate (MgSO4·7H2O) (C).
III. Baking soda: This is the common name for Sodium bicarbonate (NaHCO3) (A).
IV. Caustic soda: This is the common name for Sodium hydroxide (NaOH) (B).
2. The correct matches are I-D, II-C, III-A, IV-B.
3. This corresponds to option (D).