Apparatus and Techniques for Laboratory Chemistry

Apparatus and Techniques

Extended
response
question:
Demonstrate the use of apparatus
and techniques

KP Criteria

1. Identify and draw common laboratory equipment
2. Light a Bunsen burner safely
3. Measure quantities of substances accurately
4. Identify hazard symbols

Apparatus Diagrams

Hazard symbols
tripod + gauze
test tube
boiling tube
beaker
evaporating
basin
clamp stand
conical flask
heat proof
mat
Bunsen burner
filter funnel &
filter paper
glass rod
measuring
cylinder

heat
!
Toxic
Health Hazard
Caution
Corrosive
Flammable
Explosive

Apparatus & Techniques

Measuring Liquids

30
meniscus
20
Volume = 28 cm3
· Place on a flat surface
· Look at eye level
. Read at the meniscus

Measuring Masses

zero
0.00 g
top pan balance
· Place on a flat surface
· Press "zero" button
· Reading should be 0.00 g

KP1: Common Apparatus

tripod + gauze
test tube
boiling tube
beaker
evaporating
basin
clamp stand
conical flask
heat proof
mat
Bunsen burner
Filter funnel &
filter paper
glass rod
measuring
cylinder
heat

Name the Following Pieces of Apparatus

I
+-
U
heat
-
-

Name the Following Pieces of Apparatus (Solution)

measuring
cylinder
I
tripod +
gauze
I
I
I
I
+-
beaker
test tube
I
boiling tube
I
I
clamp stand filter funnel
+ paper
heat
Bunsen
burner

KP2: Lighting a Bunsen

hottest part
of the flame
'roaring'
flame
barrel
collar
tubing to
gas tap
air hole
heat proof mat

Write a Method of How to Light a Bunsen Burner

barrel
collar
tubing to
gas tap
air hole
heat proof mat
Firstly place the Bunsen on a
....
Then connect the tubing to the ...
Make sure the collar is ...
Turn on the gas and ...
Close the collar to get a
....

Write a Method of How to Light a Bunsen Burner (Solution)

barrel
collar
tubing to
gas tap
air hole
heat proof mat
Firstly place the Bunsen on a .... heat proof mat
Then connect the tubing to the ... gas tap
Make sure the collar is ... half way open
Turn on the gas and ...
light the gas
Close the collar to get a .
yellow safety flame

KP3a: Measuring Volumes

KIMAX
USA
TD
20°℃
10
· Measuring cylinder on a flat surface
· Bend down to read at eye level
. Read at the meniscus
meniscus
8.8 cm3

KP3b: Measuring Mass

1. Place top pan balance on a flat surface
2. Press "zero"
   to reset the
   balance
   Scout-
   100g
   ON/ZERO
   Off
   000
   PRINT
   Unit
3. Make sure
   the balance
   reads 0.00 g

KP4: Hazard Symbols

!
Toxic
Health Hazard
Caution
Corrosive
Flammable
Explosive

Name These Hazard Symbols

!

Name These Hazard Symbols (Solution)

toxic
corrosive
health
hazard
!
caution