Question 3 of 15
Multiple Choice: Please select the best answer and click "submit."
Which one of the following is an example of an acid-base reaction?
A. S8 + 8O2 → 8SO2
B. HCl + KOH → H2O + KCl
C. C3H8 + 5O2 → 3CO2 + 4H2O
D. 2CuS + 3O2 → 2CuO + 2SO2