A metal 'X' is used in thermit process. When ...

CBSE Class 10 Science 2024 Solved Paper All Sets

Question : 5 of 20

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A metal 'X' is used in thermit process. When 'X' is heated with oxygen, it gives an oxide 'Y', which is amphoteric in nature. 'X' and 'Y' respectively are

$Mn, MnO_2$
$Al, Al_2O_3$
$Fe, Fe_2O_3$
Mg, MgO

Solution:

Aluminium is used in thermite process. When aluminium is heated in oxygen it forms aluminium oxide which is amphoteric in nature.

4Al + 3O_2 ⟶ 2Al_2O_3

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