Question

How can phenolphthalein and turmeric be used indicators?​

Answer 1

Answer:

Turmeric:

if we add few drops of acid on turmeric then it will remain yellow and when we will add base it will change to red colour

phenolphthalein:

if we if we add few drop acid in the phenolphthalein then solution will remain colourless but when we will add base in it it will become pink

Answer 2

Turmeric:

if we put a drop acid on turmeric then it will change from yellow to red. thereby it acts as indicator.

phenolphthalein:

if we drop acid in the solution of base, then solution will become colourless from pink.

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