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
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!!
