safety in lab

Question 1

a reagent bottle must never be taken to you workbench

Answer 1

true

Question 2

When using a Bunsen burner, it is an acceptable lab technique to leave the gas on while searching for a match.

Answer 2

false

Question 3

Since appearance is important, you should always wear your best outfits to lab.

Answer 3

false

Question 4

It is not necessary to consult the instructor before disposing chemicals down the sink.

Answer 4

false

Question 5

If a solution needs to be swirled, it is better to use an open-mouth beaker than a narrow-mouth Erlenmeyer flask.

Answer 5

false

Question 6

You should never look directly down into a container being heated, because some of the material may splatter onto your face and clothing.

Answer 6

true

Question 7

When pouring a liquid into a graduated cylinder in the hood, the safest place for the graduated cylinder is on the front edge.

Answer 7

false

Question 8

If a small piece of matter is lodged in the tip of a pipet, buret, or eye dropper, it is acceptable to blow the piece out with your mouth.

Answer 8

false

Question 9

Baking soda can be used to neutralize bases.

Answer 9

false

Question 10

Weighing paper full of excess chemicals should be left by the balances.

Answer 10

true

Question 11

If a chemical smells good, it must taste good and therefore it can be eaten.

Answer 11

false

Question 12

It is not necessary to stir when two liquids are being mixed to form a solution.

Answer 12

false

Question 13

When mixing acids and water, you should never add acid to water, but instead water to acid.

Answer 13

false

Question 14

Smoking is allowed in the laboratory but only in a special area, since matches and Bunsen burners are also used in that area.

Answer 14

false

Question 15

You may do any experiment you wish in the laboratory.

Answer 15

false

Question 16

In case of a fire, accident burn, or other emergency, notify the instructor at once after the appropriate action has been taken.

Answer 16

true

Question 17

If you endanger your life or the lives of others in the lab, you may be subjected to disciplinary action and suspended from the course.

Answer 17

true

Question 18

Long hair should be confined to keep it out of flames and chemicals.

Answer 18

true

Question 19

reactions that give off poisonous gases should be done in the fume hood

Answer 19

true

Question 20

Eye protection is not needed while you are reading or writing in the lab, even if other students are still performing their experiments.

Answer 20

false

Question 21

When taking chemicals from a stoppered bottle, always lay the stopper on a clean and covered counter top before pouring.

Answer 21

true

Question 22

It is an acceptable lab technique to weigh glassware immediately after heating.

Answer 22

false

Question 23

If your clothing catches fire, one option is to immediately use the safety shower.

Answer 23

false

Question 24

Bare feet and open toed sandals are permitted in the lab.

Answer 24

false

Question 25

Shorts and mini skirts are not permitted in the lab.

Answer 25

true

Question 26

Never place your nose directly at the opening of a reagent bottle to smell it.

Answer 26

true

Question 27

The very last thing you should always do before leaving lab is to wash your hands

Answer 27

true

Question 28

A thermometer may be used as a stirring rod, if a glass rod cannot be found.

Answer 28

false

Question 29

Although food is not allowed in the lab, covered drinks are permitted.

Answer 29

false

Question 30

If a chemical gets into your eyes, you should immediately go to the eyewash sink located on the sides of the room and flush both eyes for at least 15 minutes.

Answer 30

true