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REVIEW - Unit 3B Test - REVIEW

Total questions: 38

Worksheet time: 1hrs 3mins

Name
Class
Date
1.

What type of reaction involves the breaking down of a substance into 2 or more simpler substances?

a)

Single Replacement Reaction

b)

Double Replacement Reaction

c)

Synthesis Reaction

d)

Decomposition Reaction

2.

What type of reaction involves 2 substances combining to form 1 new compound?

a)

Decomposition Reaction

b)

Single Replacement Reaction

c)

Double Replacement Reaction

d)

Synthesis Reaction

3.

What type of reaction involves one element replacing another element in a compound?

a)

Single Replacement Reaction

b)

Double Replacement Reaction

c)

Synthesis Reaction

d)

Decomposition Reaction

4.

What type of reaction involves ions from 2 compounds exchanging places to form 2 completely new compounds?

a)

Single Replacement Reaction

b)

Double Replacement Reaction

c)

Synthesis Reaction

d)

Decomposition Reaction

5.
Which type of reaction takes place in the presence of oxygen and produces carbon dioxide and water?
a)
double replacement 
b)
decomposition 
c)
combustion 
d)
single replacement
6.

Which of the following represents the balanced chemical equation for the reaction: hydrogen gas reacts with chlorine gas to produce hydrochloric acid?

a)

H + Cl --> 2HCl

b)

H2 + Cl2 --> 2HCl

c)

3H2 + Cl2 ---> 6HCl

d)

H2 + 3Cl2 ---> 6HCl

7.

Which of the following represents the balanced chemical equation for the reaction: solid aluminum reacts with hydrochloric acid to produce hydrogen gas and aqueous aluminum chloride?

_Al +_HCl --> _H2 +_AlCl3

a)

2Al (s) + 6HCl (aq) --> 3H2 (g) + 2AlCl3 (aq)

b)

Al (s) + 6HCl (aq) --> 3H2 (g) + AlCl3 (aq)

c)

Al (s) + HCl (aq) --> H2 (g) + AlCl3 (aq)

d)

2Al (s) + 2HCl (aq) --> H2 (g) 2AlCl3 (aq)

8.

What are the coefficients that would properly balance this equation?

__Ca + __H2O --> __Ca(OH)2 + __H2

a)

2,1 --> 2,1

b)

1,2 --> 1,1

c)

1,2 --> 2,4

d)

1,2 --> 2,1

9.

Balance the the following equation.

__Zn+__HCl -->__ZnCl2 +__H2

a)

1,1,2,1

b)

1,1,1,2

c)

1,2,1,1

d)

2,1,1,1

10.

What will be the result of the following:

LiBr + Na ->

a)

Li will replace Na

b)

Na will replace Br

c)

Na will replace Li

d)

no reaction will occur

11.

Which of the following is the products of the equation?


MgSO4 + NaCl =>

a)

MgCl2 + Na2SO4

b)

MgCl2 + NaSO4

c)

No Reaction

d)

MgCl + NaSO4

12.

Predict the products of the following reaction.


H2SO4 + BaCl2 =>

a)

BaSO4 + HCl

b)

Ba2SO4 + HCl

c)

No Reaction

d)

ClSO4 + BaH

13.

What type of reaction is this?

Li + Mg(NO3)2 --> LiNO3 + Mg

a)

Combustion

b)

Double Replacement

c)

Synthesis

d)

Single Replacement

14.

How do you know if a single replacement reaction will occur or not?

a)

single element must be higher on the activity series than the thing that it replaces.

b)

element in the compound must be higher on the activity series than the thing that it replaces.

c)

single element must be lower on the activity series than the thing that it replaces.

15.

In writing the chemical equation for a precipitation reaction, what abbreviation means a precipitate was formed?

a)

(s)

b)

(g)

c)

(l)

d)

(w)

16.

Considering the following precipitation reaction:

Pb(NO3)2(aq) + 2KI(aq) → PbI2(s) + 2KNO3(aq)

Which product would be the precipitate?

a)

PbI2

b)

KNO3

c)

Pb(NO3)2

d)

KI

17.

In this equation, CuCl2 (aq) + NaOH (aq)  → Cu(OH)2 (s) + NaCl (aq)

Which product is the precipitate?

a)
copper(II) hydroxide
b)
sodium chloride
c)
sodium hydroxide
d)
copper(II) chloride
18.

What state of matter is represented in this picture?

a)

solid

b)

liquid

c)

gas

19.

What state of matter is represented in the picture above?

a)

solid

b)

liquid

c)

gas

20.

Which state of matter do the particles slip and slide past each other?

a)

solid

b)

liquid

c)

gas

21.

CHOOSE ALL THAT ARE TRUE: Which type(s) of matter has a definite volume?

a)

solid

b)

liquid

c)

gas

22.

CHOOSE ALL THAT ARE TRUE: Which type(s) of matter take on the shape of the container they are in?

a)

solid

b)

liquid

c)

gas

23.

The state of matter that has no definite size or shape is

a)

Solid

b)

Liquid

c)

Gas

24.

Which of the following is an example of physical change?

a)

Mixing baking soda and vinegar together, and this causes bubbles and foam.

b)

A glass cup falls from the counter and shatters on the ground.

c)

Lighting a piece of paper on fire and the paper burns up and leaves ashes.

d)

Baking a birthday cake for your mother.

25.

Which change can be easily be reversed?

a)

Chemical Change

b)

Physical Change

c)

Both a physical and chemical change

d)

Neither a physical or chemical change

26.

When a new substance is formed with different properties than the original substance it is called a

a)

Chemical change

b)

Physical change

c)

Freezing

d)

Boiling

27.

If the chemical properties of a substance remain unchanged and the appearance or shape of an substance changes it is called a

a)

Chemical change

b)

Physical change

c)

Both a physical and chemical change

d)

Neither a physical or chemical change

28.

Which of the following is a correct example of a chemical change?

a)

Chopping wood

b)

Creating origami

c)

Fireworks

d)

Painting a picture

29.
What kind of properties can only be observed when a substance changes into a different substance?
a)
physical properties
b)
chemical properties
30.
Example of a physical property
a)
magnetism
b)
reactivity with oxygen
c)
flammability
d)
non-reactive
31.
Properties that can be observed without changing the identity of the substance.
a)
Physical
b)
Chemical
32.
A combination that can be separated by physical processes is a .....
a)
Pure Substance
b)
Glucose
c)
Element
d)
Mixture
33.
Are made from a combination of 2 or more elements...
a)
Molecules
b)
Pure Substances
c)
Compounds
d)
Elements
34.
Mixture, such as mixed nuts or dry soup mix, in which different materials are unevenly distributed and are easily identified.
a)
suspension
b)
homogeneous mixture
c)
heterogeneous mixture
d)
colloid
35.
Substance with atoms that are all alike.
a)
element
b)
compound
c)
homogeneous mixture
d)
heterogeneous mixture
36.
A mixture that is so evenly mixed you can't see the parts.  Such as Kool-Aid
a)
Homogeneous Mixture
b)
Heterogeneous Mixture
c)
Pure Substance
37.

What will be the result of the following:

NaBr + Li ->

a)

Li will replace Na

b)

Li will replace Br

c)

Na will replace Li

d)

no reaction will occur

38.

CHOOSE ALL THAT ARE TRUE: Which of the following describes the particle diagrams?

a)

1 is a pure compound

b)

3 is a mixture of elements and compounds

c)

2 is a mixture of elements

d)

4 is a mixture of compounds

e)

2 is a mixture of compounds

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