Question

What is always true of a combustion reaction?

water will always be one of the products

the reaction releases a large amount of energy

one reactant must contain hydrogen

carbon dioxide is one of the reactants

Answer 1

2 things... 1 it will always have oxygen in it and, 2 it will release a large amount of energy!(:

Answer 2

which one do you think is the best answer?

Answer 3

well, both are true you will always have both in a combustion reaction(:

Answer 4

But if you have to pick off that list, go with will release a large amount of energy

Answer 5

thanks!

Answer 6

your welcom