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Chemistry Ch1 Review

Total questions: 70

Worksheet time: 4hrs 30mins

Name
Class
Date
1.
Magnesium reacts with hydrochloric acid to produce magnesium chloride and hydrogen gas. The reactants in this reaction are
a)
magnesium and magnesium chloride
b)
hydrochloric acid and hydrogen gas
c)
magnesium and hydrochloric acid
d)
magnesium chloride and hydrogen gas
2.
Matter that has a definite shape and a definite volume is
a)
a liquid. 
b)
an element. 
c)
a solid.
d)
a gas.
3.
Matter can be defined as anything that
a)
has weight.
b)
has mass and volume.
c)
is uniform throughout.
d)
exhibits both chemical and physical properties.
4.
Which of the following is best classified as a homogeneous mixture?
a)
pizza 
b)
 blood 
c)
hot tea
d)
copper wire
5.
Which of the following is not a physical state of matter?
a)
solid 
b)
element
c)
gas 
d)
liquid
6.

_____ is the study of the composition, structure, and properties of matter.

a)

Science

b)

Chemistry

c)

Biology

d)

Knowledge

7.

Which branch of chemistry involves the study of non-organic substances?

a)

Organic chemistry

b)

Inorganic chemistry

c)

Biochemistry

d)

Analytical chemistry

8.

A chemistry student is conducting a research project. She wants to know the best way to filter out a mixture. She conducts an experiment and reports her findings. What type of research is the student doing?

a)

Basic Research

b)

Applied Research

9.

An _____ is the smallest unit of an element that maintains the chemical identity of that element.

a)

Atom

b)

Element

c)

Matter

d)

Particle

10.

An _____ is a pure substance that cannot be broken down into simpler, stable substances and is made of one type of atom.

a)

Atom

b)

Element

c)

Matter

d)

Particle

11.

A _____ is a substance that can be broken down into simple stable, substances.

a)

Atom

b)

Particle

c)

Compound

d)

Element

12.

Water has a constant boiling point of 100oC. Boiling points are examples of _____ which do not depend on the amount of matter in a sample.

a)

Extensive properties

b)

Intensive properties

c)

Chemical properties

d)

physical properties

13.

A friend asks you to you help lift a box. He points you over to the large box with 100 kg printed on the side. You know that that is a HEAVY box. The mass of this box is an example of _____ which depends on the amount of matter.

a)

Extensive properties

b)

Intensive properties

c)

Chemical properties

d)

Physical properties

14.

A student is observing a new substance. He notices that the substance is a white crystal with a mass of about 2 grams. What type of properties did you observe?

a)

Extensive property

b)

Intensive property

c)

Physical property

d)

Chemical property

15.

A chemical is observed to melt at 0oC and boil at 100oC. These phase changes are a type of _____.

a)

Physical change

b)

Chemical change

c)

Chemical reaction

d)

Physical reaction

16.

A mixture is a blend of 2 or more kinds of matter which can be physically separated. If the 2 types of matter are not evenly distributed, the mixture is said to be _____.

a)

heterogeneous

b)

homogeneous

17.

Part of your lab instructions might be to add a salt to a sample of water. The salt dissolves in the water, but you would still taste it. What type of mixture did you make?

a)

a homogeneous solution

b)

a heterogeneous sol

c)

a heterogeneous suspension

d)

a homogeneous gel

18.
what is the definition of chemical change?
a)
any change that results in the formation of new chemical substances. 
b)
changing clothes
c)
matter cannot be created or destroyed, only change form
d)
changes affecting the form of a chemical substance, but not its chemical composition.
19.
which one is the definition of chemical property?
a)
a property or characteristic of a substance that is observed during a reaction where the chemical composition of a substance is changed
b)
any change that results in the formation of new chemical substances
c)
combustibility
20.
what is the definition of physical change?
a)
any change that results in the formation of new chemical substances. 
b)
rusting
c)
changes affecting the form of a chemical substance, but not its chemical composition.
d)
any property that is measurable, whose value describes a state of a physical system
21.
what is burning?
a)
physical change
b)
physical property
c)
chemical change
d)
chemical property
22.
which one is a physical change?
a)
evaporation
b)
energy
c)
sublimation
d)
evaporation and sublimation
23.
what is condensing?
a)
physical property
b)
chemical property
c)
chemical change
d)
physical change
24.
what is digestion?
a)
body function
b)
chemical change
c)
physical change
25.
what happens when water freezes?
a)
ice is formed; chemical property
b)
cold water is formed; physical change
c)
ice is formed; physical change
d)
cold water is formed; chemical change
26.
One cup of water is left outside for two days when it was checked there was only half a cup left. What happened?
a)
evaporation; chemical change
b)
condensation; physical change 
c)
evaporation; physical change
d)
condensation; chemical change
27.
melting is a chemical change
a)
true 
b)
false
28.
____________ is the branch of chemistry that would identify enzymes and determine reaction mechanisms for biochemical reactions.
a)
Organic Chemistry
b)
Biochemistry
c)
Physical Chemistry
d)
Analytical Chemistry
29.
____________ is the branch of chemistry that would measure the amount of energy released or absorbed in chemical processes.
a)
Inorganic Chemistry
b)
Organic Chemistry
c)
Biochemistry
d)
Physical Chemistry
30.
____________ is the branch of chemistry that would study and develop new materials to improve existing products or make new ones.
a)
Organic Chemistry
b)
Inorganic Chemistry
c)
Biochemistry 
d)
Physical Chemistry
31.
____________ is the branch of chemistry that would analyze the composition of medicines and research new combinations of compounds to use as drugs.
a)
Analytical Chemistry
b)
Organic Chemistry
c)
Biochemistry
d)
Inorganic Chemistry
32.
compounds are chemically bounded together 
a)
False
b)
true
c)
I don't know?
33.
Can an element be broken down into a simpler substance 
a)
yes 
b)
No
34.
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?
35.
Which one has more than one type of atom in it
a)
Element
b)
Compound 
36.
which one only has one type of atom In it.
a)
Element
b)
compound
37.
Is salt (NaCI) a compound or a element
a)
Compound
b)
element
38.
What is made up two or more elements that are chemically combined?
a)
Element
b)
Mixture
c)
Compound
d)
Solids
39.
What cannot be broken down into other substances?
a)
Compound
b)
Mixture
c)
Solids
d)
Element
40.
Water is an example of:
a)
compound
b)
element
c)
solution
41.
A ___________ is an arrangement of elements in columns
a)
columns
b)
rows
c)
periodic table
d)
electron shell
42.
In the modern periodic table elements are arranged by:
a)
atomic mass
b)
atomic number
c)
valence electrons
d)
number of isotopes
43.
Each column in the periodic table is called a 
a)
period
b)
group
c)
cluster
d)
unit
44.
The atomic number tells you what?
a)
number of electrons
b)
number of protons
c)
number of neutrons
d)
both electrons and protons in an atom.
45.
Which group of the periodic table is composed of inert (not reactive)  gases?
a)
alkali metals
b)
alkaline earth metals
c)
halogens
d)
noble gases
46.
The atoms along the staircase are called 
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
47.
What is the smallest particle of matter that has the properties of that matter?
a)
atom
b)
matter
c)
molecule
d)
physical property
48.
What is anything that has mass and takes up space?
a)
atom
b)
matter
c)
molecule
d)
physical property
49.
What is a single particle of matter made up of with two or more atoms joined together?
a)
atom
b)
matter
c)
molecule
d)
physical matter
50.
What do you call the three forms that matter usually takes: solid, liquid, and gas.
a)
matter
b)
molecule
c)
physical property
d)
states of mater
51.
What does the atomic number tell us?
a)
number of protons
b)
number of neutrons
52.
What is a reactant?
a)
The starting substance
b)
The ending substance
53.
What is a product?
a)
The starting substance
b)
The ending substance
54.
Using the following chemical reaction
Hydrogen + Oxygen --> water
Identify the reactant(s).
a)
Hydrogen and Oxygen
b)
water
55.
Using the following chemical reaction
Hydrogen + Oxygen --> water
Identify the product(s).
a)
Hydrogen and oxygen
b)
water
56.
Angelina mixes 2 substances together in a beaker. The beaker becomes hot and the liquid changes color.
Did a chemical reaction occur?
a)
yes, because the properties changed and a new substance was made.
b)
no, because the properties did not change.
57.
Which of the following is not a chemical property? 
a)
rusting 
b)
boiling 
c)
rotting 
d)
burning 
58.
What is reactivity?
a)
how a substance combines physically with another substance
b)
how a substance combines chemically with another substance 
59.
Which one of these is a chemical property?
a)
melting point
b)
boiling point
c)
color
d)
flammability
60.
Ability to rust is this type of property:
a)
Physical property
b)
Chemical property
61.
Which of the following is a chemical change?
a)
human digestion
b)
cutting a tree down
c)
melting a chocolate bar
d)
Has a density of 1 gm/mL
62.
What kind of properties can only be observed when a substance changes into a different substance?
a)
physical properties
b)
chemical properties
c)
liquid properties
d)
real properties
63.
Properties that can be observed without trying to change the identity of the substance.
a)
Physical
b)
Chemical
64.

The mass of the box is 20 pounds. This is an example of a

a)

Physical property

b)

Chemical property

65.

Aluminum is a metal that can be flattened and molded into different shapes. It shows high ...

a)

Magnetism

b)

Hardness

c)

Reactivity

d)

Malleability

66.

The melting point of a substance such as ice cream is an example of a

a)

Physical property

b)

Chemical property

67.

The ability of Kool Aid to dissolve in water is an example of a

a)

Physical property

b)

Chemical property

68.

Diamonds are a very hard substance. This is an example of a

a)

Physical property

b)

Chemical property

69.

Copper is easily shaped into wires because it has high

a)

Malleability

b)

Reactivity

c)

Ductility

d)

Viscosity

70.
What is the ability of a substance to allow heat, sound, or electricity to flow through it?
a)
Malleability
b)
Ductility
c)
Solubility
d)
Conductivity

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