When 0.10 M solutions of HF, HCl, KF, and KCl are arranged in order of increasing pH which order is correc ?
How many of the following are correct. (i) A white precipitate is obtained when a solution of BaCl_(2) is treated with Na_(2)SO_(3) (ii) A white precipitate is obtained when a solution of NaAlO_(2) is heated with NH_(4)Cl (iii) A white precipitate is obtained when H_(2)SO_(4) is passed through a solution of ZnSO_(4) (iv) A white precipitate is obtained when a solution of ZnSO_(4) is treated with one of Na_(2)CO_(3)
When a solution of mercuric chloride treated with an excess of stannic chloride it produces, eventually
Blue solution of CuSO_(4) becomes darker when treated with ammonia because
When a saturated solution of KCl is heated it becomes
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