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Question
Three liquids are given to you. One is hydrochloric acid, another is sodium hydroxide and the third is a sugar solution. How will you identify them? You have only turmeric indicator.
Solution
Test the liquids one by one by placing a few drops of the three liquids on the turmeric indicator.
- If yellow colour is obtained then the liquid will be hydrochloric acid.
- If red or pink colour is obtained then it will be sodium hydroxide.
- If there is no change then it is a sugar solution.
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