Question

(c) Rusting of iron
3. Cu + 2AGNO, CU(NO2)2 + 2Ag
(a) Combination Reaction
(c) Decomposition reaction
4. The majority of chemical reactions are usually by:
(b) Double-displacement reaction
(d) Displacementreaction​

Answer 1

Answer:

option d)

Explanation:

In this reaction cu replaces ag. because copper is more reactive than silver.