Which group of people settled in northwestern India around Taxila in the 1st century BC?
Match the following:
| Column-A | Column-B |
| A. Citric Acid | 1. Basic |
| B. Quicklime | 2. NaCl |
| C. Common Salt | 3. Found in lemons, limes, and oranges |
| D. Bleaching Powder | 4. CaOCl\(_{2}\) |
A-1, B-3, C-2, D-4
A-3, B-1, C-2, D-4
A-3, B-1, C-4, D-2
A-2, B-4, C-3, D-1