Answer the following question in detail. 4. Shaurya is provided with three kinds of liquid. One is sodium hydroxide; another is hydrochloric acid and third is a sugar solution. How will he identify them when he has only blue litmus?
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he can put the blue litmus paper in the hydrochloric acid . It will turn the blue litmus into red as it is a acid. after that he would put the red litmus paper in the sodium hydroxide which would turn the red litmus into blue again .
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