What is the primary purpose of the hot plate stir in a laboratory setting?

Hot Plate Stir Maintenance and Operation

Interactive Video
•
Science, Chemistry, Physics
•
9th - 10th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To filter solutions
To weigh chemicals
To measure temperature
To heat and stir solutions
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the hot plate stir does not power on, what is the most likely issue?
The fuse might be blown
The stirring mechanism is jammed
The variable resistor is faulty
The power cord is missing
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should you do first before attempting any maintenance on the hot plate stir?
Remove the beaker
Unplug it and flip it upside down
Adjust the variable resistor
Turn it on to check for issues
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where is the fuse located in the hot plate stir?
In the front panel
In the back corner
Under the stirring plate
Next to the power switch
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What tool is needed to adjust the variable resistor?
A hammer
A small screwdriver
A wrench
A pair of pliers
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you slow down the spinning rate of the stir?
Replace the fuse
Increase the power setting
Turn the set screw clockwise
Turn the set screw counterclockwise
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should you do if the stir is barely turning at a low setting?
Replace the fuse
Check the power cord
Turn the set screw clockwise slightly
Increase the temperature
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