Asked by vidya

a student was investigating the properties of a liquid L. He found that it turned phenolphthalein indicator red but when a piece of litmus paper was dipped into liquid L it turned blue. Which of these liquids could it be?
a Aqueous ammonia b Lemon juice
c copper sulphate solution d sugar solution.
Answered by bobpursley
both tests indicated a base. Ammonia is indicated.
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