Question

For each reaction, determine whether it is an example of combustion or not.

C
+
O
2
⟶
C
O
2



Choose...
C
O
2
+
4
H
2
⟶
C
H
4
+
2
H
2
O



Choose...
2
N
2
O
5
⟶
4
N
O
2
+
O
2



Choose...
2
N
O
+
O
2
⟶
2
N
O
2



Choose...
2
C
2
H
6
+
7
O
2
⟶
4
C
O
2
+
6
H
2
O



Choose...

Answer 1

Answer:

thanks for free points