WorksheetsElements, Compounds, and Mixtures
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
What kind of pure substance forms when two elements chemically combine?
a)
an element
b)
a compound
c)
mixture
d)
solution
2.
Which is the process in which particles of substances separate and spread evenly throughout a mixture?
a)
filtration
b)
dissolving
c)
concentration
d)
distillation
3.
How can a compound be broken down?
a)
by physical changes
b)
by chemical changes
c)
by crushing
d)
by cooling
4.
Which of the the following is a chemical property?
a)
density
b)
flammability
c)
melting point
d)
color
5.
In which of the following are particles of two or more substances evenly mixed so they appear to a single substance?
a)
a compound
b)
a mixture
c)
a solution
d)
an element
6.
Which of the following is true about elements?
a)
They are impure substances
b)
They cannot be classified by their properties
c)
They cannot be broken down into simpler substances
d)
They have more than one kind of particle
7.
The substance in which a solute dissolves is known as the
a)
solvent
b)
concentration
c)
element
d)
mixture
8.
When materials combine to form a mixture, they
a)
keep their original properties
b)
react to form a new substance with new properties
c)
combine in a specific ratio
d)
always change their physical state.
9.
A unique set of characteristics used to classify elements
a)
properties
b)
concentrations
c)
mixtures
d)
compounds
10.
An element that share qualities of metals and nonmetals is a
a)
metalloid
b)
compound
c)
mixture
d)
does not exist
11.
What can be said about the properties of a compound?
a)
they are not unique
b)
they are formed after a physical reaction
c)
they are different from the properties of the elements that form the compound
d)
they are identical to the properties of the elements that form them
12.
The amount of a particular substance in a given quantity of a mixture, solution, or ore is known as the
a)
concentration
b)
ratio
c)
dilute
d)
product
13.
Elements join is a specific mass ____________ to form a compound.
a)
ratio
b)
concentration
c)
product
d)
none of the above
14.
Distillation of sea water is a
a)
chemical process
b)
physical process
c)
none of the above
d)
solution
15.
Pizza is an example of a
a)
solution
b)
element
c)
compound
d)
mixture
100 %
