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प्रश्न
You are given a mixture of precipitated copper hydroxide and zinc hydroxide. Name a solvent which will dissolve:
Only copper hydroxide
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उत्तर
Addition of KCN
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संबंधित प्रश्न
State your observations when Barium chloride solution is mixed with Sodium Sulphate Solution.
State your observation When excess sodium hydroxide is added to calcium nitrate solution
Choose the correct answer from the options given below :
Sodium zincate (Na2ZnO2) is
You are given a mixture of precipitated copper hydroxide and zinc hydroxide. Name a solvent which will dissolve:
Both copper hydroxide and zinc hydroxide
Sodium hydroxide solution can be used to distinguish between i. iron (II) sulphate solution and (ii) iron (III) sulphate solution; because these solutions give different coloured precipitates with sodium hydroxide solution. Give the colour of the precipitate formed with each of the solution.
Write a balanced equation for the following conversion:
\[\ce{ZnSO4 ->[A]Zn(OH)2->[B]Na2ZnO2}\]
Write a balanced equation for the following conversion:
\[\ce{CuSO4 ->[A]Cu(OH)2 ->[B] [Cu(NH3)4]SO4}\]
Write balanced equation for a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
Write balanced equation for a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
Write balanced equation for a coloured metallic oxide which dissolves in alkalis to yield colourless solutions.
