Elements,
Compounds and
Mixtures
Making Iron Sulphide
from Iron and Sulphur
Original slide
prepared for the
Method
Take six test tubes and place in a test tube
rack
Place a spatula of iron filings in three of
the test tubes
Place a spatula of Sulphur powder in the
remaining three test tubes
1.Add half a test tube of water to one test
tube of iron filings and to one of the test
tubes of sulphur. Record your result in a
table. Put your thumb over the top of
the tubes and shake them. Record what
Original slide
prepared for the
Method (Continued)
2.Bring a magnet close to one of the test
tubes containing iron but only to the side
of the tube and move it upwards towards
the mouth of the tube. Repeat the same
with a tube of sulphur. Record your
results
3. Take the remaining two tubes and mix
them together in a clean test tube. Mix
them together thoroughly by shaking
with thumb over the tube.
4. Repeat tests 2 and 1 on this mixture of
Iron and Sulphur. Record the results
Original slide
prepared for the
Method (Continued)
Now watch the teacher
demonstration of making Iron
Sulphide and compare the
properties of this new
compound with that of the
original elements. Add the
results to your table of results
Original slide
prepared for the
Test
Iron
Sulphur
Mixture of
Iron and
Sulphur
Iron Sulpide
- Teacher
Demonstrati
on
Test
with
Water
Test
with a
Magnet
Original slide
prepared for the
Test
Test
with
Water
Test
with a
Magnet
Iron
Sulphur
Mixture of
Iron and
Sulphur
Iron
remains at
bottom of
the tube
Iron remains
Sulphur at bottom of
floats at the tube but
the top of the sulphur
floats
the tube
Iron
moves up
the tube
as it is
magnetic
Sulphur
Iron
does not moves up
move up the tube
the tube. but the
Its non - Sulphur
magnetic doesn’t
Iron Sulpide
- Teacher
Demonstrati
on
Original slide
prepared for the
Test
Test
with
Water
Test
with a
Magnet
Iron
Iron
remains at
bottom of
the tube
Iron
moves up
the tube
as it is
magnetic
Sulphur
Mixture of
Iron and
Sulphur
Iron Sulpide
- Teacher
Demonstrati
on
Iron
Iron remains
Sulphur at bottom of Sulphide
floats at the tube but remains at
the top of the sulphur
the
floats
the tube
Sulphur
does not
move up
the tube.
Its non magnetic
bottom of
tube
Iron
Iron
moves up Sulphide
the tube remains at
the
but the
Sulphur bottom of
tube
doesn’t
Original slide
prepared for the
iron particles
Key:
one iron particle
strong bonds
between iron particles
iron particles
held together
by strong bonds
Original slide
prepared for the
iron particles
iron particles are
attracted to a magnet
iron particles
diagram
Original slide
prepared for the
sulfur particles
Key:
one sulfur particle
strong bonds between
sulfur particles
sulfur particles
held together
by strong bonds
Original slide
prepared for the
sulfur particles
sulfur particles are not
attracted to a magnet
sulfur particles
diagram
Original slide
prepared for the
iron
particles
sulfur
particles
Original slide
prepared for the
What’s this? A mixture
of iron and sulfur particles
strong bonds
between
iron particles
strong bonds
between
sulfur particles
Original slide
prepared for the
A mixture
of iron and sulfur particles
A magnet attracts
the iron particles
but not the
sulfur particles.
The mixture is separated
mixture diagram
Original slide
prepared for the
What’s this?
A compound between
iron and sulfur particles
one iron particle
one sulfur particle
strong bonds between
iron and sulfur particles
Original slide
prepared for the
A compound between
iron and sulfur particles
strong bonds
between
iron and sulfur
particles
The magnet cannot
separate iron and
sulfur particles in a
compound
compound diagram
Original slide
prepared for the