In: Other
7.
Identify the types of information that are necessary to communicate with emergency responders.
Select one or more:
How the incident happened
Any chemicals involved in an incident
Any other hazards present in the lab
The history of safety incidents in the lab
10. In lab, you may need to evaluate the odor or smell of a chemical.
What is the best way to smell a chemical sample?
Select one:
Vigorously shake the sample until the smell travels to you.
Hold the sample under your nose and slowly sniff.
Use your hand to gently waft the smell toward you.
Put your head in a fume hood as you heat the sample in it.
11. In general, which characteristics are necessary for a location to be suitable for chemical storage?
Select one or more:
dark
poorly-ventilated
warm
dry
cool
17. When should lab participants look at the Safety Data Sheet (SDS) of a substance?
Select one:
While working with the substance in lab
Only if the substance is perceived to be dangerous
Before using the substance
After completing work with the substance
22. Which is NOT a good source of information about the hazards that affect waste disposal in a chemistry lab?
Select one:
The chemical Safety Data Sheets
Your instructor’s directions
The chemical bottle labels
Your lab partner
25. When should you start a new chemical waste container in the lab?
Select one:
When you accidentally spill chemicals down the side of the current container
When the contents of the current container completely fill the container to the brim
When the contents of the current container are a couple inches below the brim of the container
When you need to dispose of another chemical that is compatible with chemicals in the current container
29. What should you do every time before you leave the lab?
Select one or more:
Remove your gloves.
Wash your hands.
Turn off the lights.
Remove your labcoat, if you are wearing one.
33. Determine when you should remove your goggles in the lab room.
Select one:
When everyone in the room is done handling any chemicals or glassware
Whenever your goggles become foggy or uncomfortable
Whenever you need to lean in close to get a volume reading
When you have finished cleaning up your chemicals and glassware
ANSWER(7):-
option a,b and c are correct.
(a) How the incident happened.
(b) Any chemicals involved in an incident.
(c) Any other hazards present in the lab.
ANSWER(10):-
option (b) Use your hand to gently waft the smell toward you. is the best method.
ANSWER(11):-options (a) dark , (d) dry and (e) cool are correct.
ANSWER (17):- option (c) before using the substance is correct.
ANSWER (22):- option (d) your lab partner is correct.
ANSWER (25):- option (c) When the contents of the current container are a couple inches below the brim of the container . is correct.
ANSWER (29):- options
(a) Remove your gloves.
(b) Wash your hands.
(d) Remove your labcoat, if you are wearing one. are correct
ANSWER (33):- option (a) When everyone in the room is done handling any chemicals or glassware. is correct.
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