Question

Indicator is a special substance that change colour in the presence of an acid and base .take a tablespoon of turmeric powder in a cup .add a little luck warm water on it and made a part of it. divided into two parts and dry it. in first part add few drop of lemon juice and in second part add few drop of soap solution. what do you observe ?do the activity and write it as follows.

Answer 1

Answer:

◾ when we add lemon juice to the 1 st part...it will change its colour to RED. This will happen because lemon juice is an acis and indicators turn red in presence of an acid.

◾ when we add soap solution to the 2nd portion....it will turn BLUE. This will happen because soap solution is a base and indicators turn blue in the presence of bases.

◾ Conclusion: 1) indicators turn blue if tested with bases.

2) indicators turn red if tested with acids.

HOPE IT HELPS.

PLEASE MARK ME THE BRAINLIEST