Question

The product of chemical reaction contain the elements calcium, chlorine, hydrogen, and oxygen and carbon.
What elements were present in the reactants?
Plz answer quick (HELP!)

Answer 1

Answer:

Carbon dioxide and water is your answer

Answer 2

Answer:

All those elements which are present in the product were also in the reactants. That means, in reactants, there are calcium, chlorine, hydrogen , oxygen and carbon

Explanation:

this is because we can get any product from the reactants based on the elements and elements do not change their forms ( except in nuclear reaction)