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Reaction of Acids and Bases with Metals

When Shakti d...

Question

When Shakti dropped yellow turmeric powder by mistake in a soap solution she observed the colour of turmeric powder changed to reddish orange. Give reason to her observation. Give example of two more chemicals which can change colour in soap solution

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Solution

Turmeric is a universal indicator.It turns yellow in acids and remains bright red in basic solution.

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What is the change in colour observed when turmeric is added to a base?

A solution changes the colour of turmeric indicator from yellow to red. The solution is:

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