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प्रश्न
Answer the following question related to salts and their preparations:
What kind of salt is prepared by precipitation?
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उत्तर
An insoluble salt can be prepared by precipitation.
संबंधित प्रश्न
Draw the structure of the stable positive ion formed when an acid dissolves in water.
Name the ion that turns blue litmus red.
Name a salt prepared by direct combination. Write an equation for the reaction that takes place in preparing the salt you have named.
Give one example : A basic oxide which is insoluble in water.
Give one example : A weak mineral acid.
Give one example : A base which is not an alkali.
Give one example : A hydrogen containing compound which is not an acid.
The preparation of lead sulphate from lead carbonate is a two step process (lead sulphate cannot be prepared by adding dilute sulphuric acid to lead carbonate)
Why is the direct addition of dilute sulphuric acid to lead carbonate an impractical method of preparing lead sulphate?
Choose the correct answer:
The salt which in solution gives a pale precipitate with sodium hydroxide solution and a white precipitate with barium chloride solution is:
From the formula listed below, choose one, in the following case, corresponding to the salt having the given description:
AgCl, CuCO3, CuSO4.5H2O, KNO3, NaCl, NaHSO4, Pb(NO3)2, ZnCO3, ZnSO4.7H2O.
An insoluble chloride.
