Question

Which of the following reactions should be called decomposition reaction:
(i) Cu(OH)2(5) CuO (5) - H.0(
(ii)
CH2(g) - C(s) - 2H25
2H000
2H (9) -0,19
(iv) Cu(3) - 2AgNO3(aq) - 2 Ag(s) - Cu(NO3), (aq)
O Reaction (i) only
O Reaction (i) and (ii) only
Reaction (i), (ii) and (iii) only
All reaction (i) to (iv)​

Answer 1

Answer:

1,2,3 that's mean the option 3