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प्रश्न
Look at figure which shows solutions taken in test tubes A, B, C and D. What colour is expected when a piece of red litmus paper is dropped in each test tube? Nature of the solutions is given in the table for your help.
| Test tube | Nature of Solution | Change in colour of red litmus |
| A | Neutral | |
| B | Basic | |
| C | Acidic | |
| D | Neutral |
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उत्तर
| Test tube | Nature of Solution | Change in colour of red litmus |
| A (Milk) | Neutral | No change |
| B (Baking powder) | Basic | Turn blue |
| C (Vinegar) | Acidic | No change |
| D (Glucose) | Neutral | No change |
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