Free Printable Unit 7 Final Review

Worksheets

Unit 7 Final Review

Total questions: 18

Worksheet time: 5hrs 30mins

Name

Class

Date

Which is the correct net ionic equation for the reaction of AgNO₃ and CaCl₂?

Ca²⁺(aq) + 2Cl^- (aq) → CaCl(s)

Ag⁺(aq) + Cl^- (aq) → AgCl(s)

Ag + Cl → AgCl

Ag⁺+ Ca²⁺ →Ag₂Ca (s)

What coefficient should be used to make the following equation balanced?
N₂+O₂--> _NO

Which equation is balanced?

PbO₂ + 2H₂

SO₂ + H₂0 --> H₂SO₄

2Na + 2H₂O --> 2NaOH + H₂

What law governs the balancing of chemical equations?

Law of Energy

Law of Conservation of Matter/Mass

Law of Gravity

Law of Matter Movement

Balance this equation

_Al +_HCl --> _H₂+_AlCl₃

2,6,3,2

it's already balanced

4,12,3,4

2,1,4,5

Identify the correct net ionic equation for the reaction of AgNO₃ and CaCl₂?

Ca²⁺(aq) + 2Cl^- (aq) → CaCl(s)

Ag⁺(aq) + Cl^- (aq) → AgCl(s)

Ag + Cl → AgCl

Ag⁺+ Ca²⁺ →Ag₂Ca (s)

What is the correct net ionic equation for the reaction between HBr_(aq) and LiOH_(aq)?

2 H⁺_(aq) + O^2-_(aq) → H₂O_(l)

2 H_{2 (aq)} + O_2(aq) → 2 H₂O_(l)

2 H_{2 (g)} + O_2(g) → 2 H₂O_(l)

H⁺_(aq) + OH^-_(aq) → H₂O_(l)

What is the net ionic equation for the reaction between K₃PO_{4 (aq)} and CuSO_{4 (aq)}

2 K⁺_(aq) + SO₄^2-_(aq) → K₂SO_{4 (s)}

K⁺_(aq) + SO₄^2-_(aq) → KSO_{4 (s)}

3 Cu²⁺_(aq) + 2 PO₄^3-_(aq) → Cu₃(PO₄)_{2 (s)}

Cu²⁺_(aq) + PO₄^3-_(aq) → CuPO_{4 (s)}

What are the spectator ions in this reaction?
CuCl₂(aq) + NaOH(aq) → Cu(OH)₂(s) + NaCl(aq)

Cu²⁺ and OH^1-

Na²⁺ and Cl^2-

Na¹⁺ and Cl^1-

Na¹⁺ and OH^1-

10.

In the equations: Iron + Oxygen → Iron (III) Oxide. Oxygen is considered....

product

reactant

yield

11.

In the equations: Sodium Chloride + Fluorine → Sodium Fluoride + Chlorine. Chlorine is considered....

product

reactant

yield

12.

Sodium bromide + silver nitrate → ???

NaNO₃ + AgBr

BrNO₃ + NaAg

AgNO₃ + NaBr

NO₃Ag + Br₂

13.

What is the coefficient in front of HCl?

_____ Al + _____ HCl → _____ AlCl3 + _____ H2

14.

What reaction has the following general formula:

AB --> A + B

Combination

Decomposition

Single Replacement

Double Replacement

Combustion

15.

What reaction has the following general formula:

A + CD --> C + AD

Combination

Decomposition

Single Replacement

Double Replacement

Combustion

16.

What reaction has the following general formula:

AB + CD --> CB + AD

Combination

Decomposition

Single Replacement

Double Replacement

Combustion

17.

What reaction has the following general formula:

A + B --> AB

Combination

Decomposition

Single Replacement

Double Replacement

Combustion

18.

What reaction has the following general formula:
$C_xH_y\ +\ O_2\ ->CO_{2\ }+\ H_2O$

Combination

Decomposition

Single Replacement

Double Replacement

Combustion

100 %

Unit 7 Final Review

Total questions: 18

Worksheet time: 5hrs 30mins

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