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WorksheetsExperimental and Measurement Techniques
Total questions: 20
Worksheet time: 22mins
What would a chemist use to measure exactly 26.5cm3 of a liquid?
Beaker
Burette
Measuring Cylinder
Pipette
Ammonia cannot be collected by displacement of water. Why?
Ammonia is insoluble in water.
Ammonia is soluble in water.
Ammonia is denser than air.
Ammonia is less dense than air.
what is drying agent used in the method on picture
calcium carbonate
calcium oxide
fused calcium oxide
concentrated sulfuric acid
Which is the apparatus with the highest accurace?
beaker
burette
pipette
measuring cylinder
When do we use upward delivery to collect a gas?
It is denser than air.
It is less dense than air.
It has same density as air.
When do we use downward delivery to collect a gas?
It is denser than air.
It is less dense than air.
It has same density as air.
A gas is insoluble in water and less dense than air. Which method do you use to collect the gas?
misplacement and upward
misplacement and downward
displacement and upward
displacement and downward
What is the reading in the measuring cylinder above?
46cm3
46.0cm3
34cm3
34.0cm3
What is the reading in the burette above?
33.40cm3
32.60cm3
17.40cm3
16.60cm3
How many cm3 is present in 1dm3?
10
100
1000
10000
When we are reading the volumes of liquids, how should we position our eye?
above the meniscus
same level as the meniscus
below the meniscus
The burette is on top of the bench. What should I do to read the burette without parallex error?
Tip toe and read off at eye level.
Sit on my stool and read off at eye level.
Stand on the stool and and read off at eye level.
Bring down the burette to the stool and read off at eye level.
What should I do to the filter funnel after filling a burette?
Leave it there.
Remove it.
What is the volume of liquid in this graduated cylinder?
40 mL
40 mL
43 mL
44 mL
At which point should your eyes be when you read a graduated cylinder? (Hint: see the letter next to the eye)
A
B
C
Type in the measurement on the graduated cylinder to the correct number of significant digits. No unit.
6.300
6.3
6.32
7.70
