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Pure Substance/Mixture and Properties

Total questions: 45

Worksheet time: 37mins

Name
Class
Date
1.

___________ are the smallest unit of an element that maintains the properties of that element.

a)

Atoms

b)

Elements

c)

Compounds

d)

Mixtures

2.

An _______________ is made up of one or more of the same kind of atom chemically combined.

a)

atom

b)

element

c)

molecule

d)

compound

3.

A _____________ contains a variety of elements and compounds that are not chemically combined with each other.

a)

compound

b)

element

c)

molecule

d)

mixture

4.

A __________________ is a substance that has definite physical and chemical properties such as appearance, melting point, and reactivity.

a)

mixture

b)

pure substance

c)

compound

d)

element

5.

A ______________ mixture is one that does not have a uniform composition.

a)

heterogeneous

b)

homogenous

c)

pure substance

6.

A _________________ mixture is one where the substances are evenly spread throughout.

a)

heterogeneous

b)

homogeneous

c)

pure substance

7.

Fruit Loops, pizza, and Skittles are examples of ____________________ mixtures.

a)

heterogeneous

b)

homogeneous

c)

pure

8.

Coffee, mouthwash, and vinegar are examples of __________________ mixtures.

a)

heterogeneous

b)

homogeneous

c)

pure

9.

Which of these is an element?

a)

Salt (NaCl)

b)

Water (H20)

c)

Oxygen (O)

d)

Carbon Dioxide (CO2)

10.

Which of these is a compound?

a)

Aluminium (Al)

b)

Carbon Dioxide (CO2)

c)

Nitrogen (N)

d)

Sand

11.

any characteristic of matter that you can observe without changing the identity of the substances that make it up

a)

physical property

b)

chemical property

c)

periodic table

d)

conglomerate

12.

a characteristic of matter you observe as it reacts or changes into a different substance

a)

physical property

b)

chemical property

c)

periodic table

d)

conglomerate

13.

the amount of matter in an object

a)

mass

b)

weight

c)

volume

d)

density

14.

the gravitational pull on the mass of an object

a)

mass

b)

weight

c)

volume

d)

density

15.

the amount of space a sample of matter occupies

a)

mass

b)

weight

c)

volume

d)

density

16.

the mass per unit volume of a substance

a)

mass

b)

weight

c)

volume

d)

density

17.

the ability of one material to dissolve in another

a)

solubility

b)

boiling point

c)

melting point

d)

state of matter

18.

the temperature at which a solid changes to a liquid

a)

solubility

b)

boiling point

c)

melting point

d)

state of matter

19.

the temperature at which a liquid changes to a gas

a)

solubility

b)

boiling point

c)

melting point

d)

state of matter

20.

the state of being solid, liquid, or gas

a)

solubility

b)

boiling point

c)

melting point

d)

state of matter

21.

allows some materials to attract certain metals

a)

magnetism

b)

malleability

c)

ductility

d)

electrical conductivity

22.

the ability of a type of matter to burn easily

a)

flammability

b)

rust

c)

solubility

d)

conductivity

23.

a substance that forms when iron reacts with water and oxygen in the air

a)

flammability

b)

rust

c)

solubility

d)

conductivity

24.
The ability to burn is a ___ property.
a)
physical
b)
chemical
c)
conservitive
d)
reversed
25.
Dissolving a solid into a liquid is a ___.
a)
physical change
b)
chemical change
26.
a)
Physical Change
b)
Chemical Change
27.
a)
Physical Change
b)
Chemical Change
28.
a)
Physical Change
b)
Chemical Change
29.
a)
Physical Change
b)
Chemical Change
30.
a)
Physical Change
b)
Chemical Change
31.
a)
Physical Change
b)
Chemical Change
32.
a)
Physical Change
b)
Chemical Change
33.
a)
Physical Change
b)
Chemical Change
34.
a)
Physical Change
b)
Chemical Change
35.
a)
Physical Change
b)
Chemical Change
36.
a)
Physical Change
b)
Chemical Change
37.
a)
Physical Change
b)
Chemical Change
38.
a)
Physical Change
b)
Chemical Change
39.
What state of matter is X?
a)
solid 
b)
liquid
c)
gas
d)
supercritical fluid
40.
What state of matter is Y?
a)
solid 
b)
liquid
c)
gas
d)
supercritical fluid
41.
What state of matter is Z?
a)
solid 
b)
liquid
c)
gas
d)
supercritical fluid
42.
What change occurs from E to C?
a)
sublimation
b)
freezing
c)
melting
d)
boiling
43.
What is the density of a substance that has a mass of 30g and a volume of 6 liters?
a)
24 g/l
b)
5 g/l
c)
36 g/l
d)
180 g/l
44.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
45.
Frank has an eraser. It has a mass of 4g, and a volume of 2cm3. What is its density?
a)
8 g/cm3
b)
2 g/cm3
c)
1/2 g/cm3
d)
24 g/cm3

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