Pre-Quiz Practice Balancing Chemical Equations

Fill in the blanks to balance the equation: ___ N2 + ___ H2 → ___ NH3.

• 1, 3, 2

• 1, 2, 3

• 2, 3, 1

• 1, 1, 2

Tags

NGSS.HS-PS1-7

Balance the following chemical equation: ___ Mg + ___ O2 → ___ MgO.

• 1, 1, 1

• 2, 1, 2

• 1, 2, 1

• 2, 2, 2

Tags

NGSS.HS-PS1-7

Fill in the blanks to balance the equation: ___ Na + ___ Cl2 → ___ NaCl.

• 1, 1, 1

• 2, 1, 2

• 1, 2, 2

• 2, 2, 1

Balance the following chemical equation: ___ Al + ___ O2 → ___ Al2O3.

• 2, 3, 1

• 4, 3, 2

• 1, 1, 1

• 3, 2, 1

Tags

NGSS.HS-PS1-7

Fill in the blanks to balance the equation: ___ CH4 + ___ O2 → ___ CO2 + ___ H2O.

• 1, 2, 1, 2

• 1, 1, 1, 1

• 2, 2, 2, 2

• 1, 3, 1, 2

Tags

NGSS.HS-PS1-7

Balance the following chemical equation: ___ Fe + ___ H2O → ___ Fe3O4 + ___ H2.

• 3, 4, 1, 4

• 1, 1, 1, 1

• 2, 3, 1, 3

• 3, 2, 1, 2

Tags

NGSS.HS-PS1-7

Fill in the blanks to balance the equation: ___ C5H8 + ___ O2 → ___ CO2 + ___ H2O.

• 1, 7, 5, 4

• 1, 5, 5, 4

• 2, 7, 5, 4

• 1, 6, 5, 4

Tags

NGSS.HS-PS1-7

Balance the following chemical equation: ___ KClO3 → ___ KCl + ___ O2.

• 2, 2, 3

• 1, 1, 1

• 2, 1, 2

• 1, 2, 3

Tags

NGSS.HS-PS1-7

Balance the following equation: ___ C₆H₆ + ___ O₂ → ___ CO₂ + ___ H₂O.

• 1, 15, 6, 3

• 2, 15, 12, 6

• 2, 7.5, 6, 3

• 1, 7.5, 6, 3

Tags

NGSS.HS-PS1-7

Balance the following equation: ___ KClO₃ → ___ KCl + ___ O₂.

• 2, 2, 3

• 1, 1, 1.5

• 2, 1, 3

• 1, 2, 1

Tags

NGSS.HS-PS1-7