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FX Science 10 Unit A Chemistry Review Quiz

Total questions: 82

Worksheet time: 1hrs 27mins

Name
Class
Date
1.

Melting Ice

a)

Physical Change

b)

Chemical Change

2.

Cutting Paper

a)

Physical Change

b)

Chemical Change

3.

Frying Eggs

a)

Physical Change

b)

Chemical Change

4.

Toasting Bread

a)

Physical Change

b)

Chemical Change

5.

Burning Wood

a)

Physical Change

b)

Chemical Change

6.

Rotting Fruit (Like a brown banana)

a)

Physical Change

b)

Chemical Change

7.

Dissolving salt in water

a)

Physical Change

b)

Chemical Change

8.

Boiling Water

a)

Physical Change

b)

Chemical Change

9.

What is the process by which a chemical change occurs?

a)

Conservation of Matter

b)

Physical Change

c)

Chemical reaction

d)

Condensation

10.

What always happens during a chemical change?

a)

The material and its properties change

b)

The material dissolves

c)

The total mass of the material changes

d)

The material changes state from a solid to a liquid

11.

What is the best definition of a chemical change?

a)

A change in the state of matter in which the form changes but the properties stay the same.

b)

A change in the state of matter in which the material changes into an entirely different material with properties that are different from the original material.

c)

A change in the state of matter in which the material is still the same just in a different form.

12.

Which is not a sign that a chemical reaction has occurred.

a)

A change in mass

b)

bubbling

c)

production of an odor or smell

d)

change in color

13.

Which is not evidence that a chemical reaction has occured

a)

Production of flames

b)

Change in temperature or heat

c)

freezing

d)

Production of light

14.

Conservation of matter applies to physical and chemical changes

a)

True

b)

False

15.

The total mass after a chemical reaction is that same as the total mass before a chemical reaction

a)

True

b)

False

16.

The mixing of two or more substances can result in a new substance.

a)

True

b)

False

17.
Anything that has mass and occupies space (volume)
a)
Density
b)
Chemistry
c)
Matter
d)
Weight
18.
A substance that always has the same composition and characteristics is called ______________________
a)
A mixture
b)
a pure substance
c)
homogeneous
19.
A substance that cannot be broken down into a simpler substance is called ______________
a)
a mixture
b)
a componud
c)
a suspension
d)
an element
20.
what is the symbol for gold?
a)
Au
b)
Ag
c)
G
d)
Gd
21.
Which of the following is a heterogeneous mixture?
a)
salt water
b)
mixed nuts
c)
tea
d)
milk
22.
what needs to be present for the combustion of a material?
a)
water
b)
nitrogen
c)
oxygen
d)
weather
23.
Sodium's chemical symbol is...
a)
S
b)
So
c)
Na
d)
K
24.
In the equation below , what are the PRODUCTS
2 H2  + O2  → H2O
a)
2 H2 + O2  
b)
H2O 
25.
In the equation below, what are the reactants
2 H2  + O2  → H2O
a)
H2O 
b)
2 H2  + O2 
26.
The atomic number of an element is based on the 
a)
mass of its nucleus
b)
number of electrons around its core
c)
number of protons in the nucleus
d)
number of neutrons in its nucleus
27.
What parts of the atom move around the nuclues
a)
atomic mass units
b)
electrons
c)
protons
d)
neutrons
28.
Which particles in atoms have a negative charge
a)
electrons
b)
protons
c)
neutrons
d)
nuclei
29.
The _____________is the very small center of an atom
a)
nucleus
b)
core
c)
proton
d)
neutron
30.
How many atoms are in Cl2
a)
1
b)
2
c)
3
d)
215
31.
True or False? Vertical rows in the periodic table are called groups.
a)
True
b)
False
32.
The noble gases are located where on the periodic table?
a)
far left 
b)
middle
c)
far right
33.
all matter is made of what 
a)
energy 
b)
atoms 
c)
electrons 
d)
compounds 
34.
What is the first element of the periodic table
a)
Gold
b)
Red
c)
Carbon
d)
Hydrogen
35.
What is an ion?
a)
When the # of protons is equal to the # of electrons
b)
An atom where the # of protons is not equal to the # of electrons
c)
Taylor Swift's new album 
d)
Als het aantal deeltjes hetzelfde is  
36.
In the compound 2H2, the "2" stands for
a)
it's the subscript, it means there are two H bonded together
b)
it means there are "2" many molecules
c)
is a coefficient 
37.
What is a valence electron?
a)
They are the power house of the atom
b)
The only atom of importance
c)
Electrons in the outermost shell; they are the electrons involved in bonding 
d)
not the answer
38.
A chemical reaction in which two or more simpler substances combine to form a more complex substance is called
a)
Synthesis
b)
Decomposition
c)
Single-Replacement
d)
Double-Replacement
39.
A chemical reaction in which a more complex substance is broken down into simpler substances is called
a)
Synthesis
b)
Decomposition
c)
Single-Replacement
d)
Double-Replacement
40.
A chemical reaction in which one element (or compound) replaces another is called 
a)
Synthesis
b)
Decomposition
c)
Single-Replacement
d)
Double-Replacement
41.
A chemical reaction in which two elements (or compounds) replace one another is called
a)
Synthesis
b)
Decomposition
c)
Single-Replacement
d)
Double-Replacement
42.
The Law of Conservation of Mass states that 
a)
atoms combine to form compounds
b)
atoms cannot be created or destroyed
c)
pure substance have consistent properties
d)
what goes up, must come down 
43.
H20 --> H2 and O2 
To balance this equation... 
a)
Place a coefficient of 2 in front of the H20
b)
Place a coefficient of 2 in front of the H20; a coefficient of 2 in front of the H2
c)
Place a coefficient of 2 in front of the H20; a coefficient of 2 in front of the H2; and coefficient of 2 in front of the O2
d)
Add a subscript 2 to the oxygen on the reactant side
44.
H20 --> H2 and O2 is a balanced equation
a)
True
b)
False
45.
To balance a chemical equation, you must add or change
a)
coefficients
b)
subscripts
c)
formulas
d)
symbols
46.
Metals are most likely to 
a)
gain electrons
b)
lose electrons
c)
not form compounds
d)
form negative ions
47.
Non-metals are most likely to
a)
gain electrons
b)
lose electrons
c)
form positive ions
d)
conduct electricity 
48.
This type of diagram shows all of the electrons of an atom (or ion) in shells surrounding the nucleus
a)
Bohr
b)
Lewis
49.
a reaction in which a substance reacts with oxygen to produce heat and light is called 
a)
single-replacement
b)
combustion
c)
decomposition
d)
synthesis
50.
Exothermic reactions produce heat, like hot packs. 
a)
True 
b)
False
51.

A chemical reaction or process that absorbs heat from the surroundings

a)

Endothermic

b)

Exothermic

52.

What is the formula for sodium bromide?

a)

NaBr

b)

NaBr2

c)

Na2Br

d)

SoBr

53.

What is the formula for diphosphorus pentoxide?

a)

P2O5

b)

PO5

c)

P5O2

d)

Po2O5

54.

What is the name for SiCl4?

a)

silicon tetrachloride

b)

silicon quadchloride

c)

monosilicon tetrachloride

d)

silicon chloride

55.

What is the chemical formula of sulfur hexabromide?

a)

SBr₆

b)

S₆Br

c)

S(VI)Br

d)

SBr4

56.

What is the name of P₄S₁₀?

a)

phosphorous sulfide

b)

phosphorus sulfite

c)

tetraphosphorus decasulfide

d)

tetraphosphide decasulfide

57.

What is the name for BrO3?

a)

bromine oxide

b)

monobromine trioxide

c)

bromine trioxide

d)

bromide trioxide

58.

What is the name of the compound with the formula Ba3P2?

a)

barium phosphide

b)

barium diphosphide

c)

tribarium diphosphide

d)

barium phosphorous

59.
What is the formula for magnesium chloride?
a)
MgCl
b)
Mg2Cl
c)
MgCl2
d)
Mg(ClO3)2
60.

What is the formula for copper(I) sulfate?

a)

CuSO3

b)

CuSO4

c)

Cu2SO3

d)

Cu2SO4

61.

What is the name of the compound LiOH?

a)

lithium hydrogen oxide

b)

lithium hydroxide

c)

lithium hydride

d)

lithium oxide hydride

62.

What is the chemical formula for an ionic compound of potassium and oxygen?

a)

KO

b)

K2O

c)

K2O2

d)

KO2

63.

What is the name for the compound CaCO3?

a)

Calcium carbon oxide

b)

Calcium (II) carbonate

c)

Calcium carbonate

d)

Carbon carbonate

64.

What is the formula for sodium nitrate?

a)

Na3NO

b)

NaNO2

c)

Na3NO3

d)

NaNO3

65.

What is the name of FeCl₂?

a)

iron chloride

b)

iron (II) chloride

c)

iron (I) chloride

d)

iron dichloride

66.

What is the name of Cu₃N₂?

a)

copper (III) nitride

b)

copper (II) nitride

c)

copper nitride

d)

tricopper dinitride

67.

What is the name for As4O10?

a)

arsenic oxide

b)

arsenide decoxide

c)

tetraarsenic decoxide

d)

arsenic decoxide

68.
Name the acid: HC2H3O2
a)
Acetic Acid
b)
Acetous Acid
c)
Hydrogen Acetate
d)
Hydrogen Dicarbon Trihydrogen Dioxygen
69.
What is the formula for phosphorous acid?
a)
H3PO4
b)
H2PO4
c)
H3P
d)
H3PO3
70.
What is the formula for Hydrosulfuric Acid?
a)
H2(SO3)
b)
H2S
c)
H2(SO2)
d)
H2(SO4)
71.
What is the formula for Nitric Acid?
a)
HNO2
b)
HNO3
c)
HNO4
d)
H2NO3
72.
What is the formula for Nitric Acid?
a)
HNO2
b)
HNO3
c)
HNO4
d)
H2NO3
73.
Name HF
a)
hydrofluoric acid
b)
Hypofluoric acid
c)
hydrogen fluorine acid
d)
fluoric acid
74.
What is the formula for hydrochloric acid?
a)
HCl
b)
HClO
c)
H3ClO3
d)
HClO3
75.
What is the formula for nitric acid?
a)
HNO2
b)
HNO3
c)
HNO4
d)
H2NO3
76.

a scale used to specify how acidic or basic a water- based solution is. Acidic solutions have a lower pH, while basic solutions have a higher pH

a)

pH Scale

b)

triple beam balance

c)

grocery store scale

d)

plate scale

77.

Any number on the pH scale greater than 7 is considered a?

a)

Base

b)

lucky

c)

Phancy

d)

classic

78.

Any number of the pH scale less than 7 is considered ?

a)

an Acid

b)

a healthy option

c)

a neutral

d)

cleaning products

79.

What do we label a material or substance that falls at 7 on the pH scale?

a)

Neutral

b)

happy

c)

Acid

d)

young

80.

What is the molar mass of table salt (NaCl)?

a)

117 g/mol

b)

35 g/mol

c)

23 g/mol

d)

58 g/mol

81.

What is the molar mass of NaOH?

a)

40 g/mol

b)

39 g/mol

c)

24 g/mol

d)

57 g/mol

82.
Most of the mass in an atom is made up of _____________________?
a)
protons and electrons
b)
protons and neutrons
c)
neutrons and electrons
d)
electrons and quarks

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