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प्रश्न
The hydroxide soluble in excess of ammonium hydroxide is ______.
पर्याय
Zinc hydroxide
Lead hydroxide
Magnesium hydroxide
Ferrous hydroxide
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उत्तर
The hydroxide soluble in excess of ammonium hydroxide is Zinc hydroxide.
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संबंधित प्रश्न
State your observations when barium chloride solution is mixed with sodium sulphate solution.
You are given a mixture of precipitated copper hydroxide and zinc hydroxide. Name a solvent which will dissolve:
Only zinc hydroxide
How will the action of dilute hydrochloric acid on sodium carbonate and sodium sulphite enables you to distinguish between these two compounds?
Give one chemical test to distinguish between the following pair of compounds:
Iron (II) chloride solution and iron (III) chloride solution
State the colour of the residue formed when nitrate of calcium is strongly heated.
Give the balanced equations for the reaction with two different amphoteric oxides with a caustic alkali.
A given white crystalline salt was tested as follows:
A flame test on the salt gave a persistent golden-yellow colourisation. What conclusions can be drawn for the observation?
The questions (i) to (v) refer to the following salt solutions listed A to F.
A.Copper Nitrate
B.Iron (II) Sulphate
C.Iron (III) chloride
D.Lead Nitrate
E.Magnesium sulphate
F.Zinc chloride
(I)Which two solutions will give a white precipitate when treated with dilute hydrochloric acid followed by a barium chloride solution?
(II)Which two solutions will give a white precipitate when treated with dilute nitric acid followed by silver nitrate solution?
(III)Which solution will give white precipitate, when either dilute hydrochloric acid or dilute sulphuric acid is added to it?
(IV)Which solution becomes a deep/inky blue colour when the excess of ammonium hydroxide is added to it?
(V)Which solution gives a white precipitate with an excess of ammonium hydroxide solution?
An amphoteric oxide.
Write balanced equations for a coloured metallic oxide which dissolves in alkalis to yield colourless solutions.
