Question

Which substances in the list can be used to write a complete combustion reaction? (4 points)
O 1, 2, and 3
O 2, 3, and 6
O 1, 4, and 5
O 1, 2, and 5

Answer 1

Answer:

B. 2, 3 and 6

Explanation:

The primary materials for a chemic combustion reaction are  Fuel + O2 → CO2 + H2O!

Hope this could help!  （*＾ワ＾*）

Answer 2

Answer:the answer is B

Explanation: