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Question
By the addition of only one solution how would you distinguish between dilute hydrochloric acid and dilute nitric acid?
Solution
Silver nitrate solution will give a white ppt. when added to dil. hydrochloric acid, and no change will be observed when it is added to dil. nitric acid.
\[\ce{AgNO3 + HCl -> \underset{(white ppt.)}{AgCl} + HNO3}\]
\[\ce{AgNO3 + HNO3 -> No reaction}\]
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