हिंदी

_____________ (Agcl / Pbcl2), a White Precipitate is Soluble in Excess Nh4oh

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प्रश्न

_____________ (AgCl / PbCl2), a white precipitate is soluble in excess NH4OH

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उत्तर

AgCl, a white precipitate, is soluble in excess NH4OH

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Action of Alkalis on Metal Oxides
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2015-2016 (March) Science Paper 2

संबंधित प्रश्न

Identify the salts P and Q from the observations given below:

On performing the flame test salt P produces a lilac coloured flame and its solution gives a white precipitate with silver nitrate solution, which is soluble in Ammonium hydroxide solution.


Name a solution that will separate the component of the following mixture: Zn(OH)2 from Pb(OH)2


Name a solution that will separate the component of the following mixture: CuO from ZnO


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:
Only zinc hydroxide


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 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 a 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 excess of ammonium hydroxide is added to it?
(v) Which solution gives a white precipitate with excess ammonium hydroxide?


State the colour of the residue formed when nitrate of calcium is strongly heated.


Name the products formed when the reaction with two different amphoteric oxides with a caustic alkali.


The hydroxide soluble in excess of ammonium hydroxide is ______.


Write balanced equation for a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.


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