Question

Choose the most appropriate answer from the following list of oxides which

fits the description


[SO2, SiO2, Al2O3, MgO, CO, Na2O]


i. A basic oxide.

ii. An oxide which dissolves in water forming an acid.

iii. An amphoteric oxide.

iv. A covalent oxide of a metalloid.

v. An acidic gas which decolorizes potassium permanganate solution.​

Answer 1

Explanation:

(i)MgO

(ii)CO

(iii)Al2O3

(iv)SiO2

(v)SO2