Free Printable Spring Final EC: Reactions & Phases

1.

(a) C₃H₈ + (b) O₂ --> (c) CO₂ + (d) H₂O

Choose from the below words

5

1

3

4

2

6

0

8

9

10

2.

(a) Al + (b) Fe₃N₂ --> (c) AlN + (d) Fe

Choose from the below words

3

2

1

4

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8

9

0

3.

(a) Na + (b) Cl₂ --> (c) NaCl

Choose from the below words

2

1

3

4

0

6

7

4.

(a) H₂O₂ --> (b) H₂O + (c) O₂

Choose from the below words

1

2

0

3

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10

5.

(a) NH₃ + (b) H₂SO₄ → (c) (NH₄)₂SO₄

Choose from the below words

2

1

3

5

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7

6.

(a) H₃AsO₄ → (b) As₂O₅ + (c) H₂O

Choose from the below words

2

1

3

4

5

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10

9

7.

(a) (NH₄)₃PO₄ + (b) Pb(NO₃)₄ → (c) NH₄NO₃ + (d) Pb₃(PO₄)₄

Choose from the below words

4

3

12

1

10

6

8

2

0

8.

(a) C₂H₄ + (b) O₂ → (c) CO₂ + (d) H₂O

Choose from the below words

1

3

2

0

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10

9.

(a) K + (b) MgBr₂ → (c) KBr + (d) Mg

Choose from the below words

2

1

0

3

4

5

7

10.

(a) Na + (b) H₂O --> (c) NaOH + (d) H₂

Choose from the below words

2

1

0

3

4

5

6

11.

(a) CF₄+ (b) Br₂--> (c) CBr₄+ (d) F₂

Choose from the below words

1

2

0

3

4

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6

7

8

12.

Is the following equation balanced or unbalanced?
(a) Fe + (b) S --> (c) Fe₂S₃

Choose from the below words

2

3

1

0

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9

13.

(a) HgO --> (b) Hg + (c) O₂

Choose from the below words

2

1

0

3

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6

14.

(a) CF₄+ (b) Br₂-- (c) CBr₄+ (d) F₂

Choose from the below words

1

2

0

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8

15.

(a) AlCl₃ + (b) Li --> (c) LiCl + (d) Al

Choose from the below words

3

1

0

2

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8

16.

(a) CH_4. + (b) O₂ ---> (c) CO₂ + (d) H₂O

Choose from the below words

1

2

0

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8

17.

(a) CH_4. + (b) O₂ ---> (c) CO₂ + (d) H₂O

Choose from the below words

1

2

0

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8

18.

(a) NaClO₃--> (b) NaCl + (c) O₂

Choose from the below words

2

3

1

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10

19.

(a) MgCl₂ --> (b) Mg₄+ (c) Cl₂

Choose from the below words

4

1

2

0

3

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8

20.

(a) Sn + (b) HF → (c) SnF₂ + (d) H₂

Choose from the below words

1

2

0

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8

21.

(a) Al + (b) HCl --> (c) H₂+ (d) AlCl₃

Choose from the below words

2

6

3

0

1

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8

22.

(a) Ag₂O₃ → (b) Ag + (c) O₂

Choose from the below words

2

4

3

0

1

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9

23.

(a) Ag + (b) HCl → (c) H₂ + (d) AgCl₄

Choose from the below words

1

4

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9

24.

(a) FeCl₃ + (b) Ca(OH)₂ --> (c) Fe(OH)₃ + (d) CaCl₂

Choose from the below words

2

3

0

1

4

5

6

7

8

25.

(a) MnO₂ + (b) HCl --> (c) MnCl₂ + (d) H₂O + (e) Cl₂

Choose from the below words

1

2

4

0

3

5

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9

26.

The number of atoms you begin with in a chemical reaction ...

a)

must be the same as the number of atoms you end with

b)

must be an even number

c)

can be different to the number you finish with

d)

changes depending on how much energy is formed

27.

True or false:

In any physical change or chemical reaction, mass is conserved.

a)

True

b)

False

28.

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.

29.

Label the following colors of a reaction properly.

2H₂+ O₂ $\rightarrow$ 2H₂O

a)

blue

1.

reactants

b)

green

2.

products

c)

yellow

3.

subscripts

d)

red

4.

coefficients

30.

Label the following colors of a reaction properly.

2H₂+ O₂ $\rightarrow$ 2H₂O

Categorize the following

reactants

products

subscripts

coefficients

can change when balancing

cannot change when balancing

blue

green

yellow

red

31.

What type of reaction is the bottom?

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

1

2

3

4

1)

2)

3)

4)

32.

Organize these options into the right categories

Categorize the following

one thing on the right

one thing on the left

one thing in a compound being replaced

1 thing in a compound switches places with another in a different compound

creating one thing

destroying one thing

usually one element and 1 compound on both sides

2 compounds on both sides

synthesis

decomposition

single replacement

double replacement

33.

Match the following

a)

synthesis

1.

H₂ + Cl₂ $\rightarrow$ HCl

b)

decomposition

2.

H₂O $\rightarrow$ H₂ + O₂

c)

combustion

3.

C₅H₁₂ + O₂ $\rightarrow$ H₂O + CO₂

d)

single replacement

4.

Na₂S + O₂ $\rightarrow$ Na₂O + S₄

e)

double replacement

5.

NaCl + CaSe $\rightarrow$ Na₂Se + CaCl₂

34.

What type of reaction is this?

3Mg + N₂ $\rightarrow$ Mg₃N₂

a)

synthesis

b)

decomposition

c)

combustion

d)

single

replacement

e)

double replacement

35.

What type of reaction is this?

P₄ + 3O₂ $\rightarrow$ 2P₂O₃

a)

synthesis

b)

decomposition

c)

combustion

d)

single

replacement

e)

double replacement

36.

What type of reaction is this?

NH₃ + HCl $\rightarrow$ NH₄Cl

a)

synthesis

b)

decomposition

c)

combustion

d)

single

replacement

e)

double replacement

37.

What type of chemical reaction is this?
Al(OH)₃ → Al₂O₃ + H₂O

a)

Decomposition

b)

Combustion

c)

Synthesis

d)

Single Replacement

e)

Double

Replacement

38.

What type of reaction is this?

2Pb(NO₃)₂ $\rightarrow$ 2PbO + 4NO₂ + O₂

a)

synthesis

b)

decomposition

c)

combustion

d)

single

replacement

e)

double replacement

39.

What type of reaction is this?

2NO₂ $\rightarrow$ N₂+ 2O₂

a)

synthesis

b)

decomposition

c)

combustion

d)

single

replacement

e)

double replacement

40.

What type of reaction is this?

C₁₅H₃₄ + O₂ $\rightarrow$ CO₂ + H₂O

a)

synthesis

b)

decomposition

c)

combustion

d)

single

replacement

e)

double replacement

41.

What type of reaction is this?

C₃H₆ + O₂ $\rightarrow$ CO₂ + H₂O

a)

synthesis

b)

decomposition

c)

combustion

d)

single

replacement

e)

double replacement

42.

What type of reaction is this?

Fe + CaCl₂ $\rightarrow$ Ca + FeCl₃

a)

synthesis

b)

decomposition

c)

combustion

d)

single

replacement

e)

double replacement

43.

What type of reaction is this?

Zn + 2HCl $\rightarrow$ ZnCl₂ + H₂

a)

synthesis

b)

decomposition

c)

combustion

d)

single

replacement

e)

double replacement

44.

What type of reaction is this?

3Mg + 2AlCl₃ $\rightarrow$ 3MgCl₂+2Al

a)

synthesis

b)

decomposition

c)

combustion

d)

single

replacement

e)

double replacement

45.

What type of reaction is this?

Fe + H₂SO₄ $\rightarrow$ Fe₂(SO₄)₃ + H₂

a)

synthesis

b)

decomposition

c)

combustion

d)

single

replacement

e)

double replacement

46.

What type of reaction is this?

Cl₂ + H₂SO₄ $\rightarrow$ SO₄ + HCl

a)

synthesis

b)

decomposition

c)

combustion

d)

single

replacement

e)

double replacement

47.

What type of reaction is this?

3KOH + H₃PO₄ $\rightarrow$ K₃PO₄+3H₂O

a)

synthesis

b)

decomposition

c)

combustion

d)

single

replacement

e)

double replacement

48.

What type of reaction is this?

KOH + NaCl $\rightarrow$ KCl+NaOH

a)

synthesis

b)

decomposition

c)

combustion

d)

single

replacement

e)

double replacement

49.

What type of reaction is this?

PbCl₂ + AgNO₃ $\rightarrow$ Pb(NO₃)₂ + AgCl

a)

synthesis

b)

decomposition

c)

combustion

d)

single

replacement

e)

double replacement

50.

What type of reaction is this?

Ca(NO₂)₂ + AgCl $\rightarrow$ AgNO₂ + CaCl₂

a)

synthesis

b)

decomposition

c)

combustion

d)

single

replacement

e)

double replacement

51.

What type of reaction is this?

K₃N + Ag₂SO₃ $\rightarrow$ Ag₃N + K₂SO₃

a)

synthesis

b)

decomposition

c)

combustion

d)

single

replacement

e)

double replacement

52.

What type of reaction is this?

Li₃PO₄ + Al(ClO₂)₃ $\rightarrow$ AlPO₄ + LiClO₂

a)

synthesis

b)

decomposition

c)

combustion

d)

single

replacement

e)

double replacement

53.

Label the correct sides of the reaction

a)

reactants

b)

products

c)

productions

d)

reaction

1

2

1)

2)

54.

What state/phase is the object likely from points A to B?

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

55.

What is happening to the particles in the substance between points D and E?

a)

Melting

b)

Freezing

c)

Vaporizing

d)

Sublimating

56.

Between which two points is the gas heating up?

a)

A ----> B

b)

B <---- C

c)

C ----> D

d)

D ----> E

e)

E ----> F

57.

Between which points is the temperature of the substance remaining constant?

a)

A-B only.

b)

A-B, C-D, E-F

c)

B-C only.

d)

B-C, D-E

58.

A substance's heating curve is shown in the graph. What is its boiling point?

a)

100 C

b)

60 C

c)

80 C

d)

20 C

59.

The graph shows a cooling curve for an unknown substance. What is happening during segment DE?

a)

boiling

b)

condensation

c)

freezing

d)

melting

60.

What state of matter would this substance be between points A & B?

a)

Solid

b)

Liquid

c)

Gas

61.

What state of matter would this substance be between points C & D?

a)

Solid

b)

Liquid

c)

Gas

62.

What state of matter would this substance be between points E & beyond?

a)

Solid

b)

Liquid

c)

Gas

63.

Where is melting occurring?

a)

A

b)

B

c)

D

d)

E

64.

Where is vaporization occurring?

a)

A

b)

B

c)

D

d)

E

65.

Are the particles moving faster or slower as time goes on?

a)

Faster

b)

Slower

Spring Final EC: Reactions & Phases

Total questions: 65

Worksheet time: 1hrs 14mins

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