Metals with oxygen — task. Science CBSE Homework Assignments, Class 10.

1.

Which of the following is an example of amphoteric oxide?

\(Al_2O_3\)
\(Na_2O\)
\(K_2O\)
\(MgO\)

2.

\(Al_2O_3+HCl→X+H_2O\). What is X?

\(AlCl_3\)
\(Al(OH)_3\)
\(Al(OH)_2\)
None of these

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