The two types of pure substances are ______________________ and __________________________.
[mark all correct answers]
a.
elements
b.
gas
c.
compounds
d.
molecules
A mixture where one component is not evenly dispersed in a second component is a ___________________________ mixture.
a.
homogeneous
b.
compound
c.
heterogeneous
d.
pure substance
A solution of sugar dissolved in water is an example of a ______________________________ mixture.
a.
compound
b.
homogeneous
c.
heterogeneous
d.
adjunct
Copper chloride is an example of __________.
a.
a pure substance, element
b.
a pure substance, compound
c.
a homogeneous mixture
d.
a heterogeneous mixture
Cadmium is an example of ___________.
a.
a pure substance, element
b.
a pure substance, compound
c.
a homogeneous mixture
d.
a heterogeneous mixture
Mercury is an example of
a.
a compound
b.
an element
c.
a homogeneous mixture
d.
a heterogeneous mixture
A chocolate chip cookie is an example of ___________.
a.
a pure substance
b.
an element
c.
a homogeneous mixture
d.
a heterogeneous mixture
Coffee is an example of ____________.
a.
a pure substance
b.
an element
c.
a homogeneous mixture
d.
a heterogeneous mixture
Baking soda (NaHCO3) is an example of
a.
a compound
b.
an element
c.
a homgeneous mixture
d.
a heterogeneous mixture
Steel is an alloy of carbon, iron and assorted elements. Steel is an example of
a.
a pure substance, element
b.
a pure substance, compound
c.
a homogeneous mixture
d.
a heterogeneous mixture