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Natural Indicators

When a substa...

Question

When a substance X was added to turmeric, there was no colour change. What can you conclude from this?
(a) X is not a base.
(b) X is an acid.
(c) X is a salt.
(d) X is a base.

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Solution

(a) X is not a base

Turmeric turns to brick red colour when it reacts with a base, but does not change its colour when an acid or a salt is added to it.

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