Which of the following is amphoteric oxide ?

A l_{2} O_{3}

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N a_{2} O

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M g O

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C O

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Solution

The correct option is A $A l_{2} O_{3}$

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Similar questions

Q. Classify the following oxides into acidic, basic and amphoteric.

C a O

M g O

C O_{2}

S O_{3}

N a_{2} O

Z n O

A l_{2} O_{3}

F e_{2} O_{3}

Choose the most appropriate answer from the following list of oxides which fit the descriptions. Each answer may be used only once:

[S O_{2}, S i O_{2}, A l_{2} O_{3}, M g O, C O, N a_{2} O]

(i) A basic oxide
(ii) An oxide which dissolves in water forming an acid.
(iii) An amphoteric oxide
(iv) A covalent oxide of a metalload.

Q. Which one of the following is an amphoteric oxide?

B_{2} O_{3}, A l_{2} O_{3}

(a) What are amphoteric oxides? Give two examples of amphoteric oxides.
(b) Choose the acidic oxides, basic oxides and neutral oxides from the following:
$N a_{2} O : C O_{2}; C O; S O_{2}; M g O; N_{2} O; H_{2} O .$
(c) Which of the following are amphoteric oxides:
$M g O, Z n O, P_{2} O_{3}, A l_{2} O_{3}, N O_{2}$

Classify ${Na}_{2} O$ , ${Al}_{2} O_{3}$ and ${SO}_{3}$ as acidic, basic or amphoteric oxide. [3 MARKS]

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Which of the following is amphoteric oxide ?

The correct option is A Al2O3

The correct option is A $A l_{2} O_{3}$