State true or false.

Zinc and Aluminium are two metals which form amphoteric oxides.

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True

False

answer is A.

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Detailed Solution

The given statement is true.
concept - Amphoteric oxides are classified as metal oxides that react with both acids and bases to form salts and water.
Now, Aluminium oxide (which is

{Al}_{2} O_{3}

) reacts with hydrochloric acid to form water and aluminium chloride. Aluminium oxide is an amphoteric oxide. With a base like sodium hydroxide solution, Aluminium oxide produces water and salt, sodium aluminate.
Similarly, Zinc forms zinc oxide (

ZnO

) which reacts both with acids and with bases. Hence, the given statement is true that zinc and aluminium are two metals that form amphoteric oxides.
Thus, the correct option is (1).

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