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The laboratory is an ideal place for practical jokes.
Never leave an open flame unattended.
If you wear contact lenses, it is not necessary to wear safety goggles in the
1. When you see a fire in the laboratory, what should you do immediately? (More than one answer
may be correct.)
Type: Multiple choice
Randomize answers: No
While you are using a piece of electrical equipment, you notice it has a frayed wire. Put the following
steps in proper order.
a. Unplug the equipment.
b. Continue the experiment with a replacement piece of equipment.
c. Alert the teacher.
d. Turn off the circuit breaker or unplug the fuse to turn off the power.
e. Turn the power on.
Type: Free text
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