What Should You Do If A Fire Starts In A Beaker Quizlet? - Fixanswer

If a fire begins and is confined in an open container such as a beaker, it can

usually be extinguished simply by covering the top of the beaker to remove the source of oxygen

. Be careful to avoid spreading a confined fire by blasting it with a fire extinguisher.

What is the first thing you do if there is a fire in the lab quizlet?

If a beaker or test tube catches fire,

invert an empty larger beaker over it to smother the flames

. Use the fire extinguisher, then inform the instructor.

What is the first thing you do if there is a fire in the lab Labster?

Evacuate through the emergency exits

. These ensure that nobody can get trapped in case of a fire, and therefore should always be kept clear. Evacuation plans should be placed near the exits. Fire blankets can be used to protect yourself.

What to do if there is a fire in the lab?

should

always pull the fire alarm and call 911 to evacuate the building

and bring the fire department. ➢ Keep areas around all types of heating equipment clear of combustibles at all times. While working in a lab you notice that smoke is coming from a fume hood across the room.

How can a small fire in a beaker be extinguished most easily?

How can a small contained fire be extinguished most easily?

Smother the fire with a small container

(i.e., a beaker) .

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 are three things we should do when we are done with the lab?

Dress appropriately. Before entering the lab, make sure to put on a lab coat. …
Keep a tidy lab. …
Know your lab safety symbols. …
Handle chemical spills properly. …
Know your safety equipment.

What should be done at the end of lab time?

Remove all your laboratory protective clothing and safety gear such as lab coats, gloves, safety goggles

, etc inside the lab before leaving. Switch off lights, air conditioners and other electrical facilities before leaving the lab. Remember to sign the laboratory register and enter the time you leave the laboratory.

How long should the eyes be flushed with water when using an eyewash?

Flush the eye.

Use the fluid for

10 to 15 minutes

. Keep the eye open for as long as possible, allowing the fluid to travel across the eye. Look up, down, and to the sides, while flushing the eye, to ensure that no chemicals or debris are trapped under the eyelids.

What are the 10 lab safety rules?

of 10. The Most Important Lab Safety Rule. …
of 10. Know the Location of Safety Equipment. …
of 10. Dress for the Lab. …
of 10. Don’t Eat or Drink in the Laboratory. …
of 10. Don’t Taste or Sniff Chemicals. …
of 10. Don’t Play Mad Scientist in the Laboratory. …
of 10. Dispose of Lab Waste Properly. …
of 10.

How do you protect yourself from the lab?

Dress for work in the laboratory.

Wear clothing and shoes that cover exposed skin

and protect you from potential splashes. Tie back long hair, jewelry, or anything that may catch in equipment. Never eat food, drink beverages, chew gum, apply cosmetics (including lip balm), or handle contact lenses in the laboratory.

Where should you never dispose of broken glass?

Broken glass should never be handled directly and should

never be placed into the regular trash

.

Why is there no eating or drinking in a lab?

You should not eat in a chemistry lab

because of the threat of contamination

. This threat of contamination has two parts. The first part is that you never know where chemical residue may be and ingesting it could be dangerous. Many chemicals leave no visible trace of their presence.

How would one put out an accidental ethanol fire in the lab?

Use

a CO2, halon, or dry chemical extinguisher

that is marked B, C, BC, or ABC. An alcohol-type or alcohol-resistant (ARF) foam may be used to effectively combat fuel ethanol fires.

What are the causes of fire in the laboratory?

Combustible dust. …
Hot work. …
Flammable liquids and gasses. …
Equipment and machinery. …
Electrical hazards.