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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 oxide which dissolves in water forming an acid
Name a metallic oxide soluble in excess of caustic soda solution.
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 : ZnSO4
What do you observe when caustic soda solution is added to the following solution: first a little and then in excess : CuSO4
What is the reaction of freshly precipitated aluminium hydroxide with caustic soda solution? Give equation.
Name: Two coloured ions
Fill in the blank.
The hydroxide which is soluble in excess of NaOH is _________ [Zn(OH)2 / Fe(OH)3 / Fe(OH)2].
Choose the correct answer from the options given below :
Metal + alkali → salt + _________
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.
