Reaction of Metallic Oxides and Hydroxides with Acids
Which of the ...
Question
Which of the following are amphoteric oxides?
A
Cu(OH)2
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B
Al2O3
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C
ZnO
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D
NaOH
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Solution
The correct option is C
ZnO
Metallic oxides with both acidic and basic character are called amphoteric oxides. They act as either acid or a base in a neutralisation reaction to form salt and water.