Question

Pooja is writing some statements. Which Of The following statement is incorrect?
O Lemon juice and vinegar taste sour because they contain acid.
O Turmeric and litmus are natural acid base indicator
O Indicator phenolphthalein gives yellow colour with lime water.
O None of the above​

Answer 1

Answer:

3rd sentence is incorrect

Explanation:

Lime water is a base, so when the phenolphthalein was added to the solution, it turned the solution pink. When I exhaled into the solution, the carbon dioxide in a person's breath reacted with the water to form Carbonic Acid.

MORE DETAIL..

If a drop of phenolphthalein is added to lime water ( that is calcium hydroxide ) then the solution will turn colourless to pink colour showing that the lime water is basic in nature.

Answer 2

Answer:

3rd one is incorrect

Explanation:

Phenolphthalein is colourless when added to acid