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Using Sodium Hydroxide Solution, How Will You Distinguish: Lead Hydroxide from Magnesium Hydroxide.

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प्रश्न

Using sodium hydroxide solution, how will you distinguish:
Lead hydroxide from magnesium hydroxide.

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उत्तर

Lead hydroxide from magnesium hydroxide.
When sodium hydroxide is added, lead hydroxide is dissolved in it but when sodium hydroxide is added to magnesium hydroxide, there is no visible reaction i.e. it remains insoluble.

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Action of Sodium Hydroxide Solution on Certain Metallic Salt Solutions
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अध्याय 4: Analytical Chemistry - Exercise 3 [पृष्ठ ८७]

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फ्रैंक Chemistry Part 2 [English] Class 10 ICSE
अध्याय 4 Analytical Chemistry
Exercise 3 | Q 2.3 | पृष्ठ ८७

संबंधित प्रश्न

What do you observe when caustic soda solution is added to the following solution, first a little and then in excess:

Pb(NO3)2

Write balanced equation for this reaction.


What do you observe when ammonium salt is heated with caustic soda solution?


Name a white, insoluble oxide that dissolves when fused with caustic soda or caustic potash.


Sodium hydroxide solution is added to solution A. A white precipitate is formed which is soluble in excess sodium hydroxide. Name the metal ion present in A.


Using Sodium hydroxide solution, how would you distinguish: Ammonium sulphate from sodium sulphate.


Using Sodium hydroxide solution, how would you distinguish: Zinc nitrate solution from calcium nitrate solution.


Using Sodium hydroxide solution, how would you distinguish: Iron(II) chloride from Iron (III) chloride


Sodium hydroxide solution is added to the solutions containing the ions mentioned in List X. List Y gives the details of the precipitate. Match the ions with their coloured precipitates.

List X List Y
(i) Pb2+ (A) Reddish Brown
(ii) Fe2+ (B) White insoluble inexcess
(iii) Zn2+ (C) Dirty green
(iv) Fe3+ (D) White soluble in excess
(v) Cu2+ (E) White soluble in excess
(vi) Ca2+ (F) Blue

What is observed when hot, concentrated caustic soda solution is added to aluminium? Write a balanced equation.


State one relevant observation for the following:

To the copper nitrate solution, initially, few drops of sodium hydroxide solution is added and then added in excess.


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