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प्रश्न
Give two examples of amphoteric hydroxides.
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उत्तर
Examples of amphoteric hydroxides are: Zn(OH)2, Al(OH)3.
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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 the metal hydroxides which are:
Sparingly soluble
In caustic soda solution
Name: Two bases which are not alkalis but dissolve in strong alkalis.
Name : A yellow monoxide that dissolves in hot and concentrated caustic alkali.
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.
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 into a gas which burns with a pop sound when boiled with alkali solutions.
Write balanced equations for a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
Write balanced equations for a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
