Free Printable Week 17 CFU

1.

What is the correct name for the ionic compound with the formula $NaCl$ ?

a)

Sodium chloride

b)

Sodium chlorate

c)

Sodium chlorite

d)

Sodium chloric

2.

What is the correct name for the covalent compound $CO_2$ ?

a)

Carbon oxide

b)

Carbon dioxide

c)

Carbon monoxide

d)

Carbon dioxygen

3.

Identify the type of reaction: $2H_2 + O_2 \rightarrow 2H_2O$

a)

Synthesis

b)

Decomposition

c)

Single displacement

d)

Double displacement

4.

Balance the following chemical equation: $Fe + O_2 \rightarrow Fe_2O_3$

a)

$4Fe + 3O_2 \rightarrow 2Fe_2O_3$

b)

$2Fe + O_2 \rightarrow Fe_2O_3$

c)

$Fe + 2O_2 \rightarrow Fe_2O_3$

d)

$Fe + O_2 \rightarrow 2Fe_2O_3$

5.

What is the formula for magnesium nitride?

a)

$MgN$

b)

$Mg_2N_3$

c)

$Mg_3N_2$

d)

$MgN_2$

6.

Name the covalent compound $SF_6$ .

a)

Sulfur hexafluoride

b)

Sulfur fluoride

c)

Sulfur hexafluorine

d)

Sulfur fluorine

7.

What type of reaction is represented by the equation $Na_2SO_4 + BaCl_2 \rightarrow BaSO_4 + 2NaCl$ ?

a)

Synthesis

b)

Decomposition

c)

Single displacement

d)

Double displacement

8.

Balance the equation: $C_3H_8 + O_2 \rightarrow CO_2 + H_2O$

a)

$C_3H_8 + 5O_2 \rightarrow 3CO_2 + 4H_2O$

b)

$C_3H_8 + 3O_2 \rightarrow CO_2 + 3H_2O$

c)

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

d)

$C_3H_8 + 5O_2 \rightarrow 4CO_2 + 4H_2O$

9.

Name the covalent compound $N_2O_5$ .

a)

Nitrogen pentoxide

b)

Dinitrogen pentoxide

c)

Nitrogen oxide

d)

Dinitrogen oxide

10.

What type of reaction is $2KClO_3 \rightarrow 2KCl + 3O_2$ ?

a)

Synthesis

b)

Decomposition

c)

Single displacement

d)

Double displacement

11.

Balance the equation: $Al + HCl \rightarrow AlCl_3 + H_2$

a)

$2Al + 6HCl \rightarrow 2AlCl_3 + 3H_2$

b)

$Al + 3HCl \rightarrow AlCl_3 + H_2$

c)

$2Al + 3HCl \rightarrow 2AlCl_3 + H_2$

d)

$Al + 6HCl \rightarrow AlCl_3 + 3H_2$

12.

What is the correct formula for the compound, lithium oxide?

a)

LiO

b)

Li₂O

c)

LiO₂

d)

Li₂O₂

13.

Na⁺and S ^-2

a)

Na₂S

b)

NaS₂

c)

Na₂S₂

d)

NaS

14.

Match the charge with the groups.

a)

+1

1.

Group 1

b)

+2

2.

Group 2

c)

+3

3.

Group 3

15.

Which of these compounds is ionic?

a)

Carbon dioxide

b)

Dinitrogen Trioxide

c)

Silicon tetrachloride

d)

Lithium bromide

Week 17 CFU

Total questions: 15

Worksheet time: 14mins

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