Why is it important to let your teacher know if you cut burn or injure yourself when performing an experiment?
An accidental cut could cause infection or poisoning
. Communication with your teacher in the laboratory can also help prevent accidents or injuries to yourself and others.
Why should you tell your teacher if any equipment or glassware is broken?
10. Why should you tell your teacher if any equipment or glassware is broken? A teacher should be alerted of broken equipment and
glassware so that you and others are not injured
. dangerous.
What to do if a student’s skin is burned after touching a hot beaker?
Always touch any item that has been heated very gently, lightly, and with a damp finger. It takes hot glass a long time – up to 10 minutes or more – to cool to room temperature. If you burn yourself, immediately run the burned
area under cold water
.
When working with a Bunsen burner What precautions should be taken with respect to your clothing?
Place the Bunsen burner away from any overhead shelving, equipment or light fixtures by at least 12 inches. Remove all papers, notebooks, combustible materials and excess chemicals from the area. Tie-back any long hair,
dangling jewelry
, or loose clothing.
Performing unauthorized experiments or any experiment at unauthorized times
is forbidden
. Unanticipated results to an unauthorized or altered experiment can be quite hazardous. Materials should never be taken from the laboratory. Horseplay and pranks are never acceptable in the laboratory.
Why should you let the instructor clean up broken glass?
Why should you tell your teacher if any equipment or glassware is broken?
They can help you with clean up
. Why shouldn’t you perform unauthorized experiments or ignore written directions for an experiment? Something could go wrong and there won’t be someone there who knows what they’re doing.
Where in the laboratory is long unrestrained hair most likely to be a safety concern?
Explanation:
Near an open flame
the long, unrestrained hair is most likely to be a safety concern because hair catches fire very easily. Therefore, in the laboratories it is usually advised to tie your hairs properly in order to avoid any kind of accident.
What should you not do if a person’s clothes suddenly catch fire?
Never wrap
a person whose clothes are on fire in a fire blanket, as it can create a chimney effect and cause burns on the person’s body and face. Instead they should roll on the floor to try to put out the fire, or step under a safety shower, if there is one in close proximity.
What should you not do if a persons close suddenly catch fire?
Never wrap a
person whose clothes are on fire in a fire blanket, as it can create a chimney effect and cause burns on the person’s body and face. Instead they should roll on the floor to try to put out the fire, or step under a safety shower, if there is one in close proximity.
What would immediately be used if your clothing caught fire?
What would immediately be used if your clothing caught fire or if a large chemical spill had occured on your clothing? …
Smother the fire with a small container (i.e., a beaker)
Remember this is to extinguish SMALL fires!
What safety precautions should be followed before lighting a burner?
- 12 Inches of Clearance. …
- Never Leave Flames Unattended. …
- Allow to Cool Prior to Handling. …
- Inspect Prior to Use. …
- Ignite with Sparker. …
- Turn Off Gas After Use.
What should be done with the wastes in the flame test experiment?
What should be done with the wastes in the Flame Test experiment?
They should be disposed of in the labeled container. They should be thrown in the trash can beneath the sink. They should be flushed down the sink with plenty of water
.
What is the most important lab safety rule?
The most important lab safety rule is
to know the location of and how to use safety equipment
, such as a fire extinguisher.
Should lab windows always be open?
Doors, Windows, and Walls. Walls should be finished with material that is easy to clean and maintain. … Doors should open in the direction of egress.
Laboratories should not have operable windows
, particularly if there are chemical hoods or other local ventilation systems in the lab.
What is the first step for response to an emergency situation?
What is the first step for response to an emergency situation?
Remain calm and quiet, gather information, and assess the situation.
Why is there no eating or drinking in a lab?
Reasons for Prohibition
The main reasons why eating and drinking are not permitted in areas using or storing hazardous materials are
personal safety risks and risks of non-compliance with regulatory or granting agency requirements
that may impact an individual, a work unit, or the institution as a whole.
