Question

Q.1 Classify the following statements into acid, base, and neutral substances.

3. It makes china rose into a dark pink(magenta).

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Answer 1

Answer:

China rose is a natural indicator which changes colour to determine the nature of an acid or a base. Lime juice is highly acidic with a pH of 2.5. A solution of China rose turns green in a basic solution and bright pink or magenta in an acidic solution. Hence, when treated with lime juice it turns into magenta colour.

Answer 2

Answer:

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