2020 · Q6
Match List-I with List-II and select the correct answer using the code given below the Lists :
List I (Compound)
- ABoric acid
- BCitric acid
- CMagnesium hydroxide
- DAcetic acid
List II (Use)
- 1Antiseptic
- 2Food preservative
- 3Antacid
- 4Pickle
Code: A B C D
General KnowledgeChemistry
- A1 2 3 4
- B1 3 2 4
- C4 3 2 1
- D4 2 3 1
Explanation
Boric acid is used as a mild antiseptic (A-1). Citric acid acts as a food preservative (B-2). Magnesium hydroxide, sold as milk of magnesia, is an antacid (C-3). Acetic acid in the form of vinegar is used for pickling (D-4). The matching A-1, B-2, C-3, D-4 corresponds to code option A.