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प्रश्न
Name a weak alkali.
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उत्तर
Ammonium hydroxide (NH4OH)
संबंधित प्रश्न
Choose the most appropriate answer from the following list of oxides which fit the description.
[SO2, SiO2, Al2O3, MgO, CO, Na2O]
An amphoteric oxide
Name two bases which are not alkalis but dissolves in strong alkalis.
Write balanced equation for a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
Name the metal hydroxides which are :
(a) Insoluble (b) Soluble in
(i) Caustic soda solution (ii) Ammonium hydroxide solution.
Name: A metallic oxide soluble in excess of caustic soda solution.
Name: Two coloured ions
Fill in the blank.
To distinguish soluble salts of zinc and lead ______ [NaOH / NH4OH]can be used.
What do you see when sodium hydroxide solution is added to zinc sulphate solution, till it is in excess?
One chemical test that would enable you to distinguish between the following pair of chemicals. Describe what happens with each chemical or state 'no visible reaction'.
Calcium nitrate solution and zinc nitrate solution.
Write balanced equations for a metal that evolves into a gas which burns with a pop sound when boiled with alkali solutions.
