MCQ
Ammonia that turns red litmus blue is:
- AAcidic
- ✓Basic
- CNeutral
- DNone of these
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| Column A | Column B |
| 1. Conduction | A. Transfer of heat without a medium |
| 2. Convection | B. Movement of heat in gases |
| 3. Radiation | C. Transfer of heat in solids |
| 4. Aquifer | D. Underground water storage |