Question

-Identify the following oxides with neutral, acidic, basic and amphoteric oxides.
i) Al2O3
ii) MgO
iii) SO2
iv) CO;
v) Na2O
vi) N2O
vii) ZnO
viii) CO2
ix) SO3
x) CaO.

-Give reasons for the following
(i) Na, K and Ca metals form hydrides by combination with hydrogen gas, but most other metals do not.
(ii) Aluminum easily combines with oxygen but still it can be used for making kitchen utensils

Answer 1

Explanation:

Answer for the first is that they are alkali metals and are much reactive of the periodic table.So they can combine with H..and Also Metal can form with non metals to form ionic compound

for the second answer,I think it is amphoteric so?