1) H2 + O2  → H2 O a) Balanced b) Unbalanced 2) N2 + 3H2  → 2NH3  a) Balanced b) Unbalanced 3) Mg + O2  → MgO a) Balanced b) Unbalanced 4) 2Ca + O2  → 2CaO a) Balanced b) Unbalanced 5) NaCl  → Na + Cl2 a) Balanced b) Unbalanced 6) Cl2 + KI →  KCl + I2 a) Balanced b) Unbalanced 7) NaCl  → Na + Cl a) Balanced b) Unbalanced 8) 2Ca + O2  → 2CaO a) Balanced b) Unbalanced 9) 4Cu + O2  → 2CuO2 a) Balanced b) Unbalanced 10) 4Na + O2  → 2Na2O a) Balanced b) Unbalanced

Chemical Equations...Balanced or Unbalanced?

Leaderboard

Visual style

Options

Switch template

Continue editing: ?