Free Printable Quiz Review Chemical Reactions/ Bonds

1.

What reaction has the following general formula:

AB --> A + B

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

2.

What reaction has the following general formula:

A + CD --> C + AD

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

3.

What reaction has the following general formula:

AB + CD --> CB + AD

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

4.

What reaction has the following general formula:

A + B --> AB

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

5.

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

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

6.

What is the general reaction scheme for a single replacement reaction?

a)

A + B --> AB

b)

AB --> A + B

c)

A + CD --> C + AD

d)

AB + CD --> CB + AD

e)

$C_xH_y+O_2\ ->\ CO_2+H_2O$

7.

What is the general reaction scheme for a synthesis reaction?

a)

A + B --> AB

b)

AB --> A + B

c)

A + CD --> C + AD

d)

AB + CD --> CB + AD

e)

$C_xH_y+O_2\ ->\ CO_2+H_2O$

8.

What is the general reaction scheme for a double replacement reaction?

a)

A + B --> AB

b)

AB --> A + B

c)

A + CD --> C + AD

d)

AB + CD --> CB + AD

e)

$C_xH_y+O_2\ ->\ CO_2+H_2O$

9.

What is the general reaction scheme for a decomposition reaction?

a)

A + B --> AB

b)

AB --> A + B

c)

A + CD --> C + AD

d)

AB + CD --> CB + AD

e)

$C_xH_y+O_2\ ->\ CO_2+H_2O$

10.

What type of reaction is the following:
$C_xH_y\ +\ O_2\ ->CO_{2\ }+\ H_2O$

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

11.

One element replaces another in a compound.

a)

Synthesis

b)

Combustion

c)

Single Replacement

d)

Double Replacement

12.

What is the left part of a chemical equation called?
H_{2 +}O → H₂O

a)

Reactants

b)

Products

c)

Yields

d)

Chemical Equation

13.

compound ---> element + element

a)

synthesis

b)

decomposition

c)

combustion

d)

single replacement

14.

What is the number before a chemical formula called?

Example: 2H₂ + O₂ ---> 2H₂O

a)

Coefficient

b)

Atom

c)

Subscript

d)

Equation

15.

What is the Law of Conservation of Mass?

a)

It states that matter cannot be created or destroyed.

b)

It states that energy cannot be created or destroyed.

c)

It states that matter can be created or destroyed.

d)

It states that sound can be created or destroyed.

16.

Which of the following is an element?

a)

potassium chloride (KCl)

b)

water (H₂O)

c)

carbon (C)

d)

calcium carbonate (CaCO₃)

17.

Which of the following is a compound?

a)

zinc (Zn)

b)

magnesium (Mg)

c)

sodium chloride (NaCl)

d)

potassium (K)

18.

What is an exothermic reaction?

a)

A reaction that absorbs energy.

b)

A reaction that releases energy.

c)

A reaction that happens by itself.

d)

A reaction that contains energy.

19.

What is an endothermic reaction?

a)

A reaction that absorbs energy.

b)

A reaction that releases energy.

c)

A reaction that happens by itself.

d)

A reaction that contains energy.

20.

Which of the following is a combustion reaction?

a)

C₃H₈ + 5O₂ > 4H₂O + 3CO₂

b)

Fe + CuSO₄ > FeSO₄ + Cu

c)

Cu + SO₄ > CuSO₄

21.

Calculate the number of Oxygen atoms in Al(OH)₃

a)

1

b)

2

c)

3

d)

4

22.

How many atoms of Oxygen are in Fe(NO₃)₃ ?

a)

6

b)

3

c)

9

d)

1

23.

How many Magnesium atoms are in 10MgCl₂?

a)

10

b)

5

c)

20

24.

How many Nitrogen atoms are in (NH₄)₂CrO₄?

a)

1

b)

2

c)

8

d)

16

25.

C₃H₅(NO₃)₃

a)

C = 3, H = 5, N = 3, O = 9

b)

C = 3, H = 5, N = 1, O = 9

c)

C = 9, H = 15, N = 3, O = 9

d)

C = 9, H = 15, N = 1, O = 3

26.

H₂SO₄

a)

H = 2, S = 4, O = 4

b)

H = 2, S = 1, O = 4

c)

H = 8, S = 4, O = 4

d)

H = 2, SO = 4

27.

What is C₂H₈O ?

a)

Element

b)

Letters

c)

Numbers

d)

Compound

28.

How many elements are in C₆H₁₂O₆?

a)

1

b)

2

c)

3

d)

4

29.

Are there any compounds on the periodic table?

a)

yes there are many

b)

no because only elements are on the periodic table

c)

I think they are?

d)

there is no way to tell

30.

What elements are in this compound?

a)

Carbon

b)

Hydrogen

c)

Oxygen

d)

Calcium

e)

Cobalt

31.

What is the number 3 in the following compound?

2KClO₃

a)

Exponent

b)

Synthesis

c)

Coefficient

d)

Subscript

32.

What is the left part of a chemical equation called?
2H_{2 +}O₂ --> 2H₂O

a)

Reactants

b)

Products

c)

Yields

d)

Chemical Equation

33.

What is the right part of a chemical equation called...
2H_{2 +}O₂ --> 2H₂O

a)

Reactants

b)

Products

c)

Yields

d)

Chemical Equation

34.

How many Hydrogen are in 4H₂O?

a)

6

b)

8

c)

2

d)

4

35.

A neutralization reaction will (almost) always produce...

a)

water & salt

b)

water

c)

salt

d)

water & carbon

36.

Valence electrons are found

a)

in the innermost energy level of an atom

b)

in the middle energy levels of an atom

c)

in the outermost energy levels of an atom

37.

How do covalent bonds form?

a)

By donating and receiving valence electrons between atoms.

b)

Scientists still aren't sure.

c)

Opposite slight charges attract each atom in the compound.

d)

Sharing valence electrons between atoms

38.

What two types of atoms make a covalent bond?

a)

2 Nonmetals

b)

1 Metal and 1 Nonmetal

c)

2 Metals

d)

2 Noble Gases

39.

Ionic Bonds

a)

metal with nonmetal

b)

nonmetal with nonmetal

40.

Covalent bonds are between...

a)

Metal and Non-metal

b)

Non-metal and Non-metal

c)

Metal and Metal

41.

How are ionic bonds formed?

a)

Transfer of electrons

b)

Sharing of electrons

Quiz Review Chemical Reactions/ Bonds

Total questions: 41

Worksheet time: 31mins

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