Free Printable Unit 4 Part 1 Review Game: Chemical Reactions!

1.

Two clear liquids are mixed, and a purple solid is formed. Has a chemical reaction taken place?

a)

Yes because a color change

b)

Yes because a precipitate is formed

c)

Yes because there was a change in temperature

d)

No

2.

Water is placed in a freezer where it later turns to a solid. Has a chemical change occurred?

a)

Yes because a temperature change

b)

Yes because a precipitate was formed

c)

No

3.

Classify this reaction:

LiF+NaOH\ \rightarrow\ LiOH\ +\ NaF

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double replacement

e)

Combustion

4.

Classify this reaction:

C_2H_8+4\ O_2\ \rightarrow\ 2\ CO_2\ +\ 4\ H_2O

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double replacement

e)

Combustion

5.

Classify this reaction:

\ Be+Cl_2\ \rightarrow\ \ BeCl_2

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double replacement

e)

Combustion

6.

According to the law of conservation of mass, what must be true in a reaction?

a)

The mass of the products must equal the mass of the reactants

b)

The number of atoms of each element must be equal on both sides

c)

The type of atom does not matter, just as long as there is an equal number of atoms on both sides

d)

In a closed system, mass will not be conserved

7.

Type what coefficient should be placed in front of calcium hydroxide:

?\ Ca\left(OH\right)_2\ +\ \ Al_2\left(SO_4\right)_3\ \rightarrow\ 3\ CaSO_4\ +\ 2\ Al\left(OH\right)_3

(a)

8.

Type what coefficient should be placed in front of oxygen:

C_3H_8\ +\ ?\ O_2\ \rightarrow\ 3\ CO_2\ +\ 4\ H_2O

(a)

9.

Type what coefficient should be placed in front of the hydrocarbon:

?\ C_6H_6\ +\ 15\ O_2\ \rightarrow\ 12\ CO_2\ +\ 6\ H_2O

(a)

10.

What is the balanced equation when calcium phosphate is added to potassium metal to produce potassium phosphate plus calcium metal

a)

Ca₃(PO₄)₂+ K → K₃PO₄+ Ca

b)

Ca₃(PO₄)₂+6 K → 2 K₃PO₄+ Ca

c)

Ca₃(PO₄)₂+ 6 K → 2 K₃PO₄+ 3 Ca

d)

Ca₃P₂+ 6 K → 2 K₃P+ 3 Ca

e)

Ca₃P₂+ K → K₃P+ Ca

11.

What is the balanced equation when aluminum iodide is added to fluorine gas to produce aluminum fluoride and iodine gas.

a)

AlI₃ + F₂ → AlF₃ + I₂

b)

2 AlI₃ + 3 F₂ → 2 AlF₃ + 3 I₂

c)

2 AlI₃ + 3 F₂ → 2AlF₃ + I₂

12.

Using the activity series, what would be the products if the following reactants are added together? K + H₂O(L)→

a)

NR

b)

H + KOH

c)

H + KO

d)

H₂ + KO₂

e)

H₂ + K₂O

13.

Using the activity series, what would be the products if the following reactants are added together? NaCl + F₂→ ?

a)

NR

b)

Na + F₂Cl

c)

Cl₂ + NaF

d)

Cl₂ + NaF₂

14.

Using the activity series, what would be the products if the following reactants are added together? Ca₃(PO₄)₂ + Na → ?

a)

NR

b)

Ca + Na₃PO₄

c)

Ca + NaPO₄

d)

CaNa₂ + PO₄

15.

Using the activity series, what would be the products of H₂O(g) + Li →

a)

NR

b)

LiO + H

c)

LiO₂ + H₂

d)

Li₂O + H₂

e)

LiO + H₂

16.

What is the molar mass of calcium nitrate?

a)

54.09 g

b)

70.09 g

c)

102.1 g

d)

148.3 g

e)

164.1 g

17.

How many moles are in 25.8 grams of NO₂? (answer should be 3 sig figs)

(a)

18.

How many grams does 0.880 moles of CuCl₂ weigh? (answer should be 3 sig figs)

(a)

Unit 4 Part 1 Review Game: Chemical Reactions!

Total questions: 18

Worksheet time: 28mins

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