Question

Three Liquids are given to you. One Is Hydrochloric Acid, another is sodium hydroxide and the third one is a sugar solution? How Will you identify them you have only turmeric as a indicator ??

Answer 1

Answer:

Place a drop of each liquid on turmeric indicator. The solution which changes the colour of the indicator to red is basic in nature, i.e., it is sodium hydroxide.

Now put a drop of sodium hydroxide on the other two liquids separately to obtain two mixtures.

One by one place the drop of each mixture on turmeric indicator. The mixture that changes the colour of indicator red contains neutral sugar solution. While the mixture which does not show any colour change in indicator contains hydrochloric acid which was neutralised on addition of sodium hydroxide.

Answer 2

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Turmeric is yellow in acidic and neutral solution and turns bright red in basic solution. One is hydrochloric acid which is acidic another is sodium hydroxide which is base thus, the solution is basic and lastly we have a sugar solution which will be neutral.