kgjsjbdhdbcbfj3521 kgjsjbdhdbcbfj3521 04-07-2018 Chemistry contestada Which of the following is a single replacement reaction? CaO + H2O Ca(OH)2 Mg + 2HNO3 Mg(NO3)2 + H2 NaOH + HCl H2O + NaCl CH4 + 2O2 CO2 + 2H2O
