मराठी

State Your Observations When Barium Chloride Solution is Mixed with Sodium Sulphate Solution.

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प्रश्न

State your observations when Barium chloride solution is mixed with Sodium Sulphate Solution.

State one relevant observation for the following:

Barium chloride solution is slowly added to sodium sulphate solution.

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उत्तर १

A white precipitate of barium sulfate forms when barium chloride is mixed with sodium sulfate.

BaCl2(aq) + Na2SO4(s) → 2NaCl(aq) + BaSO4(s)

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उत्तर २

White ppt. of barium sulphate is formed solution turns turbid

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Action of Alkalis on Metal Oxides
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
2015-2016 (March) Science Paper 2

संबंधित प्रश्‍न

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: CaO from PbO


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


You are given a mixture of precipitated copper hydroxide and zinc hydroxide. Name a solvent which will dissolve:
Both copper hydroxide and 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?


Give one chemical test to distinguish between the following pair of compounds:

Iron (II) chloride solution and iron (III) chloride solution


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?


Write a balanced equation for a coloured metallic oxide which dissolves in alkalis to yield colourless solutions.


Write balanced equations for a coloured metallic oxide which dissolves in alkalis to yield colourless solutions.


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