`NO_(2)` is a mixed oxide is proved by the first that with `NaOH`, it forms

NO_(2) is the mixed anhydride of and acids.

Calcuium oxide is mixed with water.

When ferric oxide reacts with NaOH , the product formed is

NO is an acidic oxide, while NO_(2) is a neutral oxide.

Which of the oxides is not a mixed oxide ?

When NH_(4)NO_(3) is gently heated, an oxide of Nitrogen is formed. What is the oxidation state of Nitrogen in this oxide ?

When NH_(4)NO_(3) is gently heated, an oxide of Nitrogen is formed. What is the oxidation state of Nitrogen in this oxide ?

Copper forms two oxides. For the same amount of copper, twice as much oxygen was used to form first oxide than to form second one. What is the ratio of the valencies of copper in first and second oxides ?