2026.9.17--Quiz 1

Student ID（学号）:

Name（姓名）:

The voltage of this type of socket in China is:

The voltage of this type of socket in China is:

What should you do first if someone gets an electric shock?

The phone number for electrical maintenance in the Chemistry Building：

What does this symbol mean?  

What does this symbol mean?   

What does this symbol mean?   

What must NOT be used to put out an electrical fire?

Which is a qualified power strip?

Power strips in the laboratory may be placed on the floor when in use.

Mercury thermometers can be placed in an oven for temperature calibration.

Electric heating equipment should be turned off promptly after use.

Ethanol should be stored in a refrigerator.

Electric bicycle batteries may be brought indoors for charging.

In the chemistry laboratory, you do not need to wear safety goggles if you wear prescription glasses.

Reagents with biohazards should be handled on a clean bench.

Used laboratory gloves should be placed into a dedicated waste bin.

When using a fume hood, the sash should be kept as low as possible.

Emergency showers are installed at the entrance of every laboratory in Zone A and Zone C of the Chemistry Building.

Long hair must be tied back in the chemistry laboratory.