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

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प्रश्न

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

एक शब्द/वाक्यांश उत्तर
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उत्तर

Al2O3

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Action of Sodium Hydroxide Solution on Certain Metallic Salt Solutions
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अध्याय 4: Analytical Chemistry - Exercise 2 [पृष्ठ ८६]

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फ्रैंक Chemistry Part 2 [English] Class 10 ICSE
अध्याय 4 Analytical Chemistry
Exercise 2 | Q 4.2 | पृष्ठ ८६

संबंधित प्रश्न

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

ZnSO4

Write a balanced equation for this reaction.


Identify the substance Q based on the information given below:
The white crystalline solid Q is soluble in water. It liberates a pungent smelling gas when heated with sodium hydroxide 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

Distinguish by adding:

Sodium hydroxide solution and ammonium hydroxide solution to ferrous nitrate and lead nitrate.


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


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


Identify the cation in the following case:

Sodium hydroxide solution when added to Solution C gives a white precipitate which is insoluble in excess of sodium hydroxide solution.


Aqueous lead (II) nitrate can be distinguished from aqueous zinc nitrate by adding any of the following solutions in excess, except:


Write the word equation when ammonium salt is heated with caustic soda solution.


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