grayyzzz grayyzzz 02-11-2020 Chemistry contestada Which one of the following is an example of an acid-base reaction? A. HCI + KOH --> H2O + KCl B. 2CuS + 302 –>2CuO + 2SO2 C. S8 + 802 —> 8SO2 D. C3H8 + 5O2 —> 3CO2 + 4H2O