IPC Unit 1 Test
Review
Question 1
Why
is it important to
waft vapors?
Question 1 Answer
To
protect the
respiratory tract!
Question 2
Why
is important to
use clean glassware
and store it properly?
Question 2 Answer
To
prevent
contamination
Question 3
When
boiling water
and using a
thermometer, what
safety precautions
should you take?
Question 3 Answer
Fire
blanket, goggles,
lab apron, know
where the safety
equipment is located
Question 4:
Which
piece(s) of glassware
would measure volume?
 Triple
beam balance
 Beaker
 Hot plate
 Bunsen burner
 Graduated cylinder
Question 4 Answer
 Beaker
 Graduated
Cylinder
Question 5
Which
piece of glassware
would give you the most
precise measurements?
Beaker
Pipette
Graduated Cylinder
Question 5 Answer
Graduated
Cylinder
Question 6
When
using chemicals, do
you ever put the chemicals
back into the original
container?
Question 6 Answer
NO!
Question 7
Before
you mass something
on an balance, what
should you do?
Question 7 Answer
Protect
the balance
with weigh paper or a
paper towel
Question 8
Which
measurements are
precise?
31, 35, 32
56, 59, 58
45.1, 44.9, 45.0
78, 71, 64
Question 8 Answer
45.1,
44.9, 45.0
Question 9
To
get an accurate reading
from a graduated cylinder,
what do you read?
Question 9 Answer
Meniscus
Question 10
 What
is the volume on this graduated
cylinder?
Question 10 Answer
21.2
mL
Question 11
 Which
group is the most precise?
Density (g/mL)
Group 1
Group 2
Group 3
Trial 1
0.889
1.045
1.082
Trial 2
1.012
1.046
1.023
Trial 3
1.065
1.044
1.085
Average
0.988
1.045
1.063
Question 11 Answer
Group
2
Density (g/mL)
Group 1
Group 2
Group 3
Trial 1
0.889
1.045
1.082
Trial 2
1.012
1.046
1.023
Trial 3
1.065
1.044
1.085
Average
0.988
1.045
1.063
Question 12
 If
you are precise, are you accurate?
Question 12 Answer
NO!
Question 13
 If
you are accurate, are you precise?
Question 13 Answer
YES!
Question 14
 Changing
phase from solid to gas
Question 14 Answer
 Sublimation
Question 15
 Liquid
to Gas
Question 15 Answer
 Evaporation
(through the boiling process)
Question 16
 Gas
to Liquid
Question 16 Answer
 Condensation
Question 17
 Gas
to Solid
Question 17 Answer
 Deposition
For the next
questions,
determine whether
the answer is a solid,
liquid or gas…
Question 18
 Particles
vibrate
Question 18 Answer
 Solid
Question 19
 Particles
other
vibrate and can slide past each
Question 19 Answer
 Liquid
Question 20
 No
definite shape or volume
Question 20 Answer
 Gas
Question 21
 Particles
arranged in a definite pattern
Question 21 Answer
 Solid
Question 22
 Particles
move freely
Question 22 Answer
 Gas
Question 23
 Particles
can form crystals
Question 23 Answer
 Solids
Question 24
 Particles
have definite shape but no
definite volume
Question 24 Answer
 Liquids