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| Q.23 | Which vegetable contains a chemical called anthocyanin that turns pink/reddish in the presence of acid, turns purple when neutral and turns blue or green when mixed with alkaline substances? | |
| Ans | 1. Red leaf lettuce | |
| 2. Red cabbage | ||
| 3. Pomegranate | ||
| 4. Radish |
Correct Ans: 2
