Question

Why does it will not change its colour when we apply lemon to the turmeric paper

Answer 1

Explanation:

see lemon has citric acid...so it has an acidic nature..turmeric is a base indicator( for ex when we wash our clothes which has drops of turmeric over it with soap , its colour changes since soap is basic in nature)..That is why turmeric paper dont change ..

Answer 2

Turmeric is an acid base indicator. When with base, it becomes red and when with acidic or neutral substances, it remains yellow.

Lemon is acidic ( citric acid and ascorbic acid ) so the colour of turmeric would be yellow.

As the colour of turmeric paper indicator is naturally yellow, it does not change colour

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