WorksheetsModern Chemistry 2015 Chapter 1 Matter & Change
Total questions: 17
Worksheet time: 17mins
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.
We know that air is a mixture and not a compound because
a)
it can be heated to a higher temperature.
b)
it can be compressed to a smaller volume.
c)
it is colorless.
d)
its composition can vary.
4.
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.
5.
Which of the following is best classified as a homogeneous mixture?
a)
pizza
b)
blood
c)
hot tea
d)
copper wire
6.
A compound differs from a mixture in that a compound
a)
contains only one element.
b)
varies in chemical composition depending on the sample size.
c)
has a definite composition by mass of the elements that the compound contains.
d)
can be classified as either heterogeneous or homogeneous.
7.
Which of the following is not a physical state of matter?
a)
solid
b)
element
c)
gas
d)
liquid
8.
Three of the following must contain two or more kinds of atoms. Which one does not contain two or more kinds of atoms?
a)
element
b)
compound
c)
homogeneous mixture
d)
heterogeneous mixture
9.
Which of the following symbols does not match the element name given?
a)
Al, aluminum
b)
Co, copper
c)
K, potassium
d)
P, phosphorus
10.
In trying to identify a sample of a pure substance, we observe the following properties. Tell whether each one is a chemical property or a physical property.
Its mass is 124.3 g.
Its mass is 124.3 g.
a)
chemical property
b)
physical property
11.
In trying to identify a sample of a pure substance, we observe the following properties. Tell whether each one is a chemical property or a physical property.
It is a shiny solid at room temperature.
It is a shiny solid at room temperature.
a)
chemical property
b)
physical property
12.
In trying to identify a sample of a pure substance, we observe the following properties. Tell whether each one is a chemical property or a physical property.
It is easily etched by nitric acid.
It is easily etched by nitric acid.
a)
chemical property
b)
physical property
13.
In trying to identify a sample of a pure substance, we observe the following properties. Tell whether each one is a chemical property or a physical property.
It melts when heated to 670°C.
It melts when heated to 670°C.
a)
chemical property
b)
physical property
14.
In trying to identify a sample of a pure substance, we observe the following properties. Tell whether each one is a chemical property or a physical property.
It is 31.7 centimeters long.
It is 31.7 centimeters long.
a)
chemical property
b)
physical property
15.
In trying to identify a sample of a pure substance, we observe the following properties. Tell whether each one is a chemical property or a physical property.
It is a good heat conductor.
It is a good heat conductor.
a)
chemical property
b)
physical property
16.
In trying to identify a sample of a pure substance, we observe the following properties. Tell whether each one is a chemical property or a physical property.
It burns in air.
It burns in air.
a)
chemical property
b)
physical property
17.
In trying to identify a sample of a pure substance, we observe the following properties. Tell whether each one is a chemical property or a physical property.
It is a good conductor of electrical energy
It is a good conductor of electrical energy
a)
chemical property
b)
physical property
100 %
