Question

please answer this question. ​

Answer 1

1 1 2 1 2 is the right option ok please mark my answer as brain list

Answer 2

Answer:

1) N2 +O2 = 2NO

This is a combination reaction.

2) H2O = 2H2 +O2

This is a decomposition reaction.

3) 4Fe+3O2 = 2Fe2O3

This is a combination reaction.

4) 2Ca + O2 = 2CaO

This is a combination reaction.

5) 2AgCl = Ag + Cl2

This is a decomposition reaction.