A white amphoteric oxide reacts with sodium hydroxide to give sodium zincate and water. Name this amphoteric oxide.

Q.

Hot concentrated sodium hydroxide reacts with lead hydroxide to produce lead oxide, sodium oxide and water.

Q.

Zinc oxide reacts with 'y' to give sodium zincate and water. Then 'y' is:

Q. Sulphate of a metal ‘M’ (having amphoteric oxide) reacts with sodium hydroxide to form a white gelatinous precipitate. The chemical formula of the precipitate and metal ‘M’ respectively are

Q. A popular metal X reacts with oxygen gas to give an amphoteric oxide. Identify the metal X. Recall that amphoteric oxide show both acidic and basic behaviour.
$X+O_2\to \text{Amphoteric Oxide}$

Q.

Zinc oxide reacts with $Ca{\left(OH\right)}_2$ and $H_{2}S{O}_4$, thus it is a/an ________.