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प्रश्न
Name the metal hydroxides which are :
(a) Insoluble (b) Soluble in
(i) Caustic soda solution (ii) Ammonium hydroxide solution.
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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 |
संबंधित प्रश्न
Choose the most appropriate answer from the following list of oxides which fit the description.
[SO2, SiO2, Al2O3, MgO, CO, Na2O]
A basic oxide.
A compound X (having the vinegar-like smell) when treated with ethanol in the presence of the acid Z, gives a compound Y which has a fruity smell.
The reaction is:
1) Identify Y and Z.
2) Write the structural formula of X.
3) Name the above reaction.
Name
a metallic hydroxide soluble in excess of NH4OH.
Name a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
Name the metal hydroxides which are:
Sparingly soluble
In caustic soda solution
What do you observe when caustic soda solution is added to the following solution: first a little and then in excess : ZnSO4
Name: Two coloured ions
Fill in the blank.
To distinguish soluble salts of zinc and lead ______ [NaOH / NH4OH]can be used.
Choose the correct answer:
The metal oxide which can react with acid as well as alkali is:
Write balanced equations for a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
