Which of the following is an unbalanced equation?
A. CaCO3 --> CaO + CO2
B. PbO2 + 2H2-->2Pb + H2O
C. CS2 + 2O2 --> CO2 + 2SO2

Respuesta :

Answer:

B. PbO2 + 2H2-->2Pb + H2O

Explanation:

Ver imagen Аноним
VanPar
It is B. Pb02 + 2H2