Question

Select the odd one out:
1. hydrochloric acid, lactic acid, nitric acid, sulphuric acid
2. lime juice, lime water, orange juice, tartaric acid
3. litmus solution, turmeric powder, lichens, phenolphthalein
4. red cabbage, china rose, methyl orange, litmus solution
5. lemon, orange, curd, baking soda​

Answer 1

Answer:

1. lactic acid(natural acid)
2. tartaric acid
3. phenolphthalein(artificial indicator)
4. methyl orange(artificial indicator. )
5. baking soda
6. Explanation:

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