Question

Which clue can be used to identify a chemical reaction as a replacement reaction? The reaction has two reactants with ions that seem to switch places. The reaction has a single reactant that changes into two or more products. The reaction involves oxygen reacting with a hydrocarbon and giving off heat. The reaction involves a single product forming from two or more reactants.

Answer 1

I believe the correct answer is the first option. A reaction with two reactants that is held by ionic bonding would most likely switch places and this is called a replacement reaction. The products would be new substances with new set of properties.

Step-by-step explanation:

Answer 2

Yes, the answer is in fact A. I have just taken the test and got it correct.

This is a late answer but I hope it helps, luvs