Question

Which one of the following is not a balanced equation?

A. 2Ca (s) + O2 (g) → 2CaO (s)
B. Ca (s) + O2 (g) → CaO (s)
C. 2Li (s) + 2H2O (l) → 2LiH (aq) + H2 (g)
D. CH4 (g) + 2O2 (g) → CO2 (g) + 2H2O (g)

Answer 1

(b)equation is not balanced