Free Printable Balancing Review (Stoich)

1.

When the equation is balanced, the SUM of the coefficients is

(a)

2.

When the equation is balanced, what is the SUM of the coefficients?

(a)

3.

When the equation is balanced, what is the SUM of the coefficients?

(a)

4.

When the chemical equation is balanced, what is the SUM of all of the coefficients?

(a)

5.

(a) AgNO₃ + (b) NaCl → (c) AgCl + (d) NaNO₃

Choose from the below words

1

6

7

9

10

8

4

5

3

2

6.

(a) Cu + (b) H₂SO₄ → (c) CuSO₄ + (d) H₂O + (e) SO₂

Choose from the below words

1

2

6

7

9

10

8

4

5

3

7.

(a) S₈ + (b) O₂ → (c) SO₂

Choose from the below words

1

8

5

6

7

9

10

3

4

2

8.

(a) Ca + (b) H₂O → (c) Ca(OH)₂ + (d) H₂

Choose from the below words

1

2

5

6

7

8

9

10

3

4

9.

(a) KI + (b) Pb(NO₃)₂ → (c) KNO₃ + (d) PbI₂

Choose from the below words

1

2

5

6

7

8

9

10

3

4

10.

(a) Fe + (b) O₂ → (c) Fe₂O₃

Choose from the below words

4

3

2

1

5

6

7

8

9

10

11.

(a) Al + (b) O₂ → (c) Al₂O₃

Choose from the below words

4

3

2

1

5

6

7

8

9

10

12.

How many atoms are there TOTAL in:
H₂SO₄

a)

6

b)

5

c)

7

d)

3

13.

What does the Law of Conservation of Mass state?

a)

Matter cannot be gained or lost in a chemical reaction.

b)

Matter can only be lost in a chemical reaction.

c)

Matter can only be gained in a chemical reaction.

d)

Matter can be gained and lost in a chemical reaction.

14.

At the end of chemical reactions, what is the total mass of the reactants compared to the total mass of the products?

a)

the product is doubled

b)

the product is half the mass of the reactants

c)

the mass is the same

d)

the mass changes depending on the reaction

15.

The following is what type of reaction:
PbCl₂ + AgNO₃ → Pb(NO₃)₂ + AgCl

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

16.

C₄H₁₂ + O₂ → CO₂ + H₂O

a)

Synthesis

b)

Combustion

c)

Single Replacement

d)

Double Replacement

17.

C₆H₆ + O₂ → CO₂ + H₂O

a)

Sythesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

e)

Combustion

18.

What is the product when Calcium reacts with chlorine?

a)

CaCl₂

b)

CaCl

c)

Ca₂Cl

d)

Ca + Cl₂

e)

Ca + Cl

19.

Match the following to which type of reaction it is is related to

a)

Activity Series

1.

Single Replacement

b)

Solubility Rules

2.

Double Replacement

c)

Hydrocarbon

3.

Combustion

d)

Formation of compound from elements

4.

Synthesis

20.

Match the following reactions to the correct description

a)

1.

single replacement

b)

2.

combustion

c)

3.

double displacement

d)

4.

synthesis

e)

5.

decomposition

21.

Balance this equation:

(a) P₄+ (b) O₂--> (c) P₂O₃

Choose from the below words

1

3

2

4

5

6

7

8

9

10

22.

Balance the equation (challenge question)

(a) C₃H₈O + (b) O₂ --> (c) H₂O + (d) CO₂

Choose from the below words

2

9

8

6

1

3

4

5

7

23.

In a double replacement reaction, a product that is soluble in water will be labeled (a) and a product that is a precipitate will be labeled (b)

Choose from the below words

(aq)

(s)

(w)

(l)

(g)

(d)

(p)

24.

In 3P₂O₅, there are (a) phosphorus (P) atoms and (b) oxygen (O) atoms.

Choose from the below words

6

15

8

3

12

21

Balancing Review (Stoich)

Total questions: 24

Worksheet time: 32mins

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