Answer:
The answer to your question is: letter C
Step-by-step explanation:
Reaction
C₂H₆O + O₂ ⇒ CO₂ + H₂O
The elements in the reactants must be the same elements present in the products.
Elements in the reactants: C , H, O
Elements in the products : C, H, O
A. nitrogen, sulfur, and sodium only This option is incorrect neither sulfur not sodium are in the reactants.
B. carbon and hydrogen only This option is wrong, Oxygen is lacking
C. carbon, hydrogen, and oxygen only This is the right option carbon, hydrogen and oxygen are the same elements in the reactants and in the products,
D. the elements cannot be determined. This option is false, elements can be determined.