Give an equation for —

1. ZnO reacts with NaOH solution.
2. Conversion of – Zn(NO₃)₂ to Zn(OH)₂

Select the correct answer from A, B, C —

A: Sodium hydroxide soln.
B: A weak acid
C: Dilute sulphuric acid.

The solution which with zinc sulphate solution will give a white precipitate.

Sodium hydroxide solution is added to the solutions containing the ions mentioned in List 1.

List 1 —

1. Pb²⁺
2. Fe²⁺
3. Zn²⁺
4. Fe³⁺
5. Cu²⁺
6. Ca²⁺

The precipitates obtained are in list 2 —

A: Reddish brown
B: White insoluble in excess
C: Dirty green
D: White soluble in excess
E: White soluble in excess
F: Blue.

Match list 1 with list 2

Give balanced equations for —

(i) Zinc oxide dissolves in NaOH

(ii) Zinc is heated with NaOH solution