Question

28. When charcoal burns, it undergoes a chemical change that produces heat and light. Besides the charcoal,

what is the other reactant in this chemical change? ('5.7)
a. oxygen
b. fire
c. water
d. carbon dioxide

Answer 1

the answer is going to be (a) - oxygen. this is because, for this reaction, charcoal undergoes a combustion reaction, using the oxygen from the surrounding atmosphere to burn to heat, light and CO2.
hope this helps!!