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प्रश्न
Name the metal hydroxides which are :
(a) Insoluble (b) Soluble in
(i) Caustic soda solution (ii) Ammonium hydroxide solution.
उत्तर
|
Name of solution |
Soluble metal hydroxides |
Insoluble metal hydroxides |
|
Caustic soda solution |
Zn(OH)2 Pb(OH)2 |
Fe(OH)3 |
|
Ammonium hydroxide solution |
Zn(OH)2 Cu(OH)2 |
Fe(OH)3 Fe(OH)2 |
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संबंधित प्रश्न
Name two bases which are not alkalis but dissolves in strong alkalis.
What do you observe when caustic soda solution is added to the following solution: first a little and then in excess : CuSO4
What do you understand by amphoteric oxide? Give the balanced equations for the reaction with three different amphoteric oxides with a caustic alkali. Write your observation if any.
Name: A strong alkali
Name a compound containing zinc in the anion.
Fill in the blank.
The hydroxide which is soluble in excess of NaOH is _________ [Zn(OH)2 / Fe(OH)3 / Fe(OH)2].
Fill in the blank.
To distinguish soluble salts of zinc and lead ______ [NaOH / NH4OH]can be used.
When ammonium hydroxide is added to solution B, a pale blue precipitate is formed. This pale blue precipitate dissolves in excess ammonium hydroxide to give an inky blue solution. Name the cation present in solution B. What is the probable colour of solution B?
Write balanced equation for a metal that evolves a gas which burns with a pop sound when boiled with alkali solution.
Write balanced equations for a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
