Unit 1 Exam Review

If a laboratory fire erupts, immediately

• notify your instructor.

• run for the fire extinguisher.

• throw water on the fire.

• open the windows.

Approved eye protection devices (such as goggles) are worn in the laboratory

• to avoid eye strain.

• to improve your vision.

• only if you don’t have corrective glasses.

• any time chemicals, heat or glassware are used.

After completing an experiment, all chemical wastes should be

• left at your lab station for the next class.

• disposed of according to your instructor’s directions.

• dumped in the sink.

• taken home.

You have been injured in the laboratory (cut, burn, etc.). First you should

• visit the school nurse after class.

• see a doctor after school.

• tell the science instructor at once.

• apply first aid yourself.

Long hair in the laboratory must be

• cut short.

• held away from the experiment with one hand.

• always neatly groomed.

• tied back or kept entirely out of the way with a hair band, hairpins, or other confining device.

Horseplay or practical jokes in the laboratory are

• always against the rules.

• okay.

• not dangerous.

• okay if you are working alone.

All chemicals in the lab are to be considered dangerous.

• True

• False

Return all unused chemicals to their original containers.

• True

• False

All unauthorized experiments are prohibited.

• True

• False

It’s okay to pick up broken glass with your bare hands as long as the glass is placed in the trash.

• True

• False