मराठी

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. - Chemistry

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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.

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उत्तर

KCl

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Action of Alkalis on Metal Oxides
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2016-2017 (March) Set 1

संबंधित प्रश्‍न

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


Choose the correct answer from the options given below :
Which one is colourless anion?


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


How will the action of dilute hydrochloric acid on sodium carbonate and sodium sulphite enables you to distinguish between these two compounds?


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


Write a balanced equation for the following conversion:

\[\ce{ZnSO4 ->[A]Zn(OH)2->[B]Na2ZnO2}\]


Write a balanced equation for the following conversion:

\[\ce{CuSO4 ->[A]Cu(OH)2 ->[B] [Cu(NH3)4]SO4}\]


Sodium hydroxide solution is added to solution A. A white precipitate is formed which is insoluble in excess sodium hydroxide solution. What is the metal ion present in solution A?


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?


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