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Worksheets

Pure Substances and Mixtures

Total questions: 25

Worksheet time: 23mins

Name
Class
Date
1.

Two or more elements chemically bonded to form a new substance with different properties than the original elements.

a)

Element

b)

Compound

c)

Homogenous Mixture

d)

Nucleus

2.

Two or more substances that have been physically, not chemically, combined and can be separated by physical means

a)

Element

b)

Chemical bond

c)

Compound

d)

Mixture

3.

A block of copper has a mass of 1896 g. The dimensions of the block are 8.4cm by 5.5cm by 4.6cm. From this data, what is the density of the copper?

a)

402,937.92 g/cm3

b)

8.92 g/cm3

c)

225.71 g/cm3

d)

0.11 g/cm3

4.

Classify the following as an element, compound, homogeneous mixture, or heterogeneous mixture:

Sprite

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

5.

Classify the following as an element, compound, homogeneous mixture, or heterogeneous mixture:

Copper

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

6.

Classify the following as an element, compound, homogeneous mixture, or heterogeneous mixture:

White Gold

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

7.

Classify the following as an element, compound, homogeneous mixture, or heterogeneous mixture:

Skittles

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

8.

Classify the following as an element, compound, homogeneous mixture, or heterogeneous mixture:

Carbon Dioxide

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

9.

Classify the following as an element, compound, homogeneous mixture, or heterogeneous mixture:

Orange Juice

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

10.

Classify the following as an element, compound, homogeneous mixture, or heterogeneous mixture:

Windex

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

11.

A pure substance made up entirely of one kind of atom is called what?

a)

Compound

b)

Homogeneous

c)

Element

d)

Simplified

12.

A mixture that consists of visibly different substances or phases is:

a)

hetereogeneous

b)

homogeneous

c)

an isotope

d)

a compound

13.

A mixture that has the same uniform appearance and composition throughout its mass is:

a)

heterogeneous

b)

homogeneous

c)

a pure substance

d)

a compound

14.

What do we call the amount of matter and object has within a specific volume?

a)

mass

b)

density

c)

volume

d)

mixture

15.

The formula for density tells us that density = ____________.

a)

mass x volume

b)

mass + volume

c)

mass / volume

d)

mass - volume

16.

How do we classify the air that we breathe?

a)

element

b)

compound

c)

homogeneous mixture

d)

heterogeneous mixture

17.

How many different elements are in the compound phosphoric acid, H3PO4?

a)

1

b)

3

c)

5

d)

7

18.

Matter that has the same type of particles throughout and a definite, fixed composition.

a)

Solution

b)

Mixture

c)

Pure Substance

d)

Compound

19.

Identify the following substance

a)

Element

b)

Compound

c)

Mixture

d)

Diatomic Molecule

20.

Identify the following substance.

a)

Element

b)

Compound

c)

Mixture

d)

Diatomic Molecule

21.

This picture is a model of...

a)

an element

b)

a compound

c)

a homogenious mixture

d)

a heterogeneous mixture.

22.

The image below is an example of

a)

a homogeneous mixture

b)

a compound

c)

a heterogeneous mixture

d)

an element

23.

Which of the following is an example of the formation of a mixture?

a)

Rust forming on an iron nail.

b)

Sugar crystals dissolving in water.

c)

Sodium and chlorine forming table salt.

d)

Hydrogen and oxygen reacting to produce oxygen.

24.

Calculate the mass for the following object. The object has a density of 27 g/mL and the volume is 7mL.

a)

189 g

b)

3.86 g

c)

0.26 g

d)

34 g

25.

Suppose you have a container filled with iron and sand. You can separate the iron from the sand if you ____________ so this is a _________.

a)

use a magnet; mixture

b)

melt the sand; mixture

c)

add baking soda; chemical compound

d)

dissolve the sand in water; solution