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Worksheets

Chemical Reactions

Total questions: 20

Worksheet time: 2hrs 42mins

Name
Class
Date
1.

If an element is diatomic it should have a subscript of___

a)

1, always

b)

2, only when it is an element

c)

it shouldn't have a subscript, it should have a coefficent

d)

2, when bonded in a compound

2.

What is the charge of Iron in this compound. (Hint: think criss cross method):

Fe3(PO4)2

a)

3+

b)

2+

c)

1+

d)

6+

3.

The symbol for a substance dissolved in solution is ______

a)

(s)

b)

(l)

c)

(aq)

d)

(g)

4.

Fill in the blank. (Copper has a charge of 2+)

Cu+ AgNO3 → Ag + _____

a)

Cu(NO3)2

b)

CuNO3

c)

CuAg

d)

Cu

5.

Predict the products of this synthesis reaction: H2 + Cl2

a)

HCl

b)

H2Cl2

c)

H2Cl

d)

HCl2

6.

What type of reaction is this?

2 C6H14 + 19 O2 → 12 CO2 + 14 H2O

a)

Single Replacement

b)

Double Replacement

c)

Combustion

d)

Decomposition

7.

Predict the products for the this Single Replacement reaction:

K + HCl →

a)

KCl + H2

b)

KHCl

c)

KH + Cl2

d)

HCl + K2

8.

Predict the products for the this Double Replacement reaction:

AgNO3 + KCl →

a)

AgCl + KNO3

b)

AgK + ClNO3

c)

KAg + NO3Cl

d)

AgCl + 3 KNO

9.

Complete the balanced equation for this Double Replacement reaction.

3 NaOH + Fe(NO3)3

a)

NaFe + OH(NO3)3

b)

NaNO3 + Fe(OH)3

c)

3 NaNO3 + Fe(OH)3

d)

3 NaFe + 3 (OH)NO3

10.

Predict the product of this synthesis reaction:

Al + S₈ →

a)

AlS

b)

AlS8

c)

Al2S

d)

Al2S3

11.

Predict the products for the decomposition of aluminum oxide, Al2O3

a)

Al + O2

b)

O + Al2

c)

Al2 + O3

d)

Al + O

12.

Predict the products for the this Single Replacement reaction: (Copper has a charge of 1+)

Mg + CuCl →

a)

MgCl2 + Cu

b)

Mg + Cu

c)

MgCu + Cl2

d)

MgCl + Cu2

13.

What are the products of this reaction:

C2H4 + O2

a)

C2O2 + H4

b)

CO2 + H2 + O2

c)

CO + H

d)

CO2 + H2O

14.

Predict the products of this single replacement reaction: Na + H2O →

a)

NaO + H2

b)

NaOH + H2

c)

NaH + O2

d)

ONaH

15.

What type of reaction occurs between an element and a compound?

Zn + 2HCl --> ZnCl2 + H2

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

16.

The name of FeCl₂ is

a)

iron chloride

b)

iron (II) chloride

c)

iron (I) chloride

d)

iron dichloride

17.

Name the ionic compound SnSe2

a)

Tin diselenide

b)

Tin (IV) Selenide

c)

Tin selenide

d)

Tin (II) triselenide

18.

Name the following ionic compound: BeCl2

a)

beryllium chlorine

b)

beryllium II chloride

c)

beryllium chloride

d)

beryllium dichloride

19.

Name the following ionic compound: Cs2S

a)

cesium sulfide

b)

cesium sulfate

c)

cesium II sulfate

d)

cesium II sulfide

20.
The covalent compound N2O5 would be named
a)
nitrogen oxide.
b)
dinitrogen oxide.
c)
nitrogen pentoxide.
d)
dinitrogen pentoxide.