NEW
Font size
S
M
L
XL
WorksheetsIntro to Chemistry Week 1
Total questions: 10
Worksheet time: 15mins
Name
Class
Date
1.
Which is an example of a physical property?
a)
rusting
b)
boiling point
c)
combustion
d)
reactivity with water
2.
Flammability is an example of what property?
a)
Chemical property
b)
Physical property
3.
Properties that can be observed without trying to change the identity of the substance.
a)
Physical
b)
Chemical
4.
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
5.
Which of the following is a sign that a chemical reaction has occurred?
a)
change in shape
b)
melting
c)
formation of a gas
d)
dissolving
6.
Which is a physical change?
a)
burning match
b)
vinegar in baking soda
c)
melting butter
d)
cooking an egg
7.
A _____________ contains a variety of elements and compounds that are not chemically combined with each other.
a)
compound
b)
element
c)
molecule
d)
mixture
8.
A ______________ mixture is one that does not have a uniform composition.
a)
heterogeneous
b)
homogenous
c)
pure substance
9.
_______________ are mixtures in which its particles are too big to stay mixed without being stirred or shaken.
a)
Solutions
b)
Colloids
c)
Suspensions
10.
Which of these is an element?
a)
Salt (NaCl)
b)
Water (H20)
c)
Oxygen (O)
d)
Carbon Dioxide (CO2)
Reset
