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WorksheetsC4
Total questions: 22
Worksheet time: 17mins
They have the same number of neutrons
Here is part of a periodic table.
What is the relative atomic mass of Iodine?
(a)
They are all the same
What is this piece of apparatus called
Pipette
Burette
Janette
Cuvette
What is the reading on this burette?
24.0cm3
25.8cm3
24.2cm3
23.9cm3
Calculate the average volume of acid needed for this neutralisation
15.0cm3
35.5cm3
30.1cm3
When should you stop a titration?
When you have added equal volumes
When the indicator changes colour
When you run out of solution
When the solution is no longer acidic
What is the correct sequence to clean a burette?
deionised water, tap water, solution to be filled
tap water, deionised water, solution to be filled
solution to be filled, deionised water, tap water
solution to be filled, tap water, deionised water
Hot to remove air bubble in the burette?
no need to remove air bubbles
shake the burette vigorously until the air bubble disappear
tap the burette gently until the air bubble disappear
open the tap to flush out the air bubbles
When filling up the pipette, where should you position the pipette?
On the surface of the solution.
Submerge in the solution.
During titration, when there are droplets of solution on the walls of the conical flask, you should .................
ignore as it won't affect the results
rinse the wall of the conical flask with solution in the burette
rinse the wall of the conical flask with deionised water
rinse the wall of the conical flask with tap water
During titration, you should swirl the conical flask constantly.
TRUE
FALSE
What should you ALWAYS wear when carrying out a titration?
A name tag
Safety Goggles
A coat
A Nike tracksuit
