Balancing Equations - Practice #1

What is the right ratio of chemicals for the balanced chemical equation?

__Na + __H₂O --> __NaOH + __H₂

• 2,2 --> 2,1

• 4,4 --> 4,1

• 1,2 --> 2,4

• 1,2 --> 2,1

What is the right ratio of chemicals for the balanced chemical equation?

__Ca + __H₂O --> __Ca(OH)₂ + __H₂

• 2,1 --> 2,1

• 1,2 --> 1,1

• 1,2 --> 2,4

• 1,2 --> 2,1

What is the right ratio of chemicals for the balanced chemical equation?

__CO + __Fe₂O₃--> __Fe + __CO₂

• 3,1 --> 2,3

• 3,2 --> 1,1

• 3,2 --> 2,4

• 3,2 --> 2,1

What is the right ratio of chemicals for the balanced chemical equation?

__CH₄ + __O₂ --> __CO₂+ __H₂O

• 2,1 --> 2,1

• 1,2 --> 1,1

• 1,2 --> 1,2

• 1,2 --> 2,1

What is the right ratio of chemicals for the balanced chemical equation?

__AgNO₃ + __H₂S --> __Ag₂S+ __HNO₃

• 2,1 --> 1,2

• 1,2 --> 1,1

• 1,2 --> 1,2

• 1,2 --> 2,1

What is the right ratio of chemicals for the balanced chemical equation?

__H₂SO₃ + __KOH--> __H₂O+ __K₂SO₃

• 2,1 --> 2,1

• 1,2 --> 1,1

• 1,2 --> 1,2

• 1,2 --> 2,1

What is the right ratio of chemicals for the balanced chemical equation?

__Al + __O₂--> __Al₂O₃

• 4,1 --> 2

• 4,3 --> 4

• 3,4 --> 1

• 4,3 --> 2

What is the right ratio of chemicals for the balanced chemical equation?

__MnO₂ + __HCl --> __MnCl₂ + __H₂O __Cl₂

• 4,1 --> 2,1,2

• 1,2 --> 1,1,4

• 1,4 --> 1,2,1

• 1,4 --> 2,2,1

What is the right ratio of chemicals for the balanced chemical equation?

__FeCl₃ + __Ca(OH)₂ --> __Fe(OH)₃ + __CaCl₂

• 4,3--> 2,1

• 3,2 --> 3,1

• 2,3 --> 2,2

• 2,3 --> 2,3

What is the right ratio of chemicals for the balanced chemical equation?

__ Al + __ FeO → Al₂O₂ + __ Fe

• 1, 1, 2

• 2,1,2

• 2, 2, 2

• 2,4,2