Marquis is studying an unknown substance. He has recorded several properties in his notebook. Which of these properties is a physical property?
boiling point
flammability
tendency to tarnish
tendency to rust
A homogeneous mixture could be described as
a pure substance.
evenly mixed.
chemically bound
unevenly mixed
The chemical formula for water is
CH3OH
HNO3
H2O
C12H22O11
What does the following figure show?
a homogeneous mixture
a heterogeneous mixture
a heterogeneous compound
a solution
Which statement best describes a pure substance?
A pure substance is when two elements combine chemically
A pure substance helps in forming a heterogenous compound
A pure substance measures the oxidation level in chemicals.
Matter that has its own unique chemical and physical properties.
When a liquid turns into a solid, it is an example of a
physical change
chemical change.
compound
mixture