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

Question

Approved eye protection devices (such as goggles) are worn in the laboratory a) to avoid eye strain b) any time chemicals, heat or glassware are used c) to protect any contact lenses d) only if you don't have corrective glasses Flammable materials, like alcohol, should never be dispensed or used near an open door an open flame another student a sink In the laboratory, the following should not be worn (Select all that apply) a) Loose clothing b) Dangling c) Sandals d) All of the above If you break a piece of glassware or other equipment, tell the teacher a) the next period b) At clean up time c) At once d) never. When smelling a liquid a) inhale deeply b) use the fume hood. c) Waft it toward you

Explanation / Answer

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

b) any time chemicals,heat or glassware is used.

to protrct eyes from such harmful chemicals or glasswares.

2. Flammable materials , like alcohol, should not be dispensed or used near -

b) an open flame

since they can cath fire easily.

3. following should not be worn -

All of the above

all exposed parts should be covered while working in lab.

4.if you break a piece of glass, tell the teacher

c) at once.

5. when smelling a liquid

b) use the fume hood.

since the fumes could be harmful

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