Worksheetssafety measures in laboratory
Total questions: 15
Worksheet time: 8mins
Which self protective equipment that we need to wear in the lab to protect the eyes from hazardous chemical substances such as acid, bromine, ammonia and reactive metal.
gloves
face mask
goggles
Choose correct self protective equipment with their functions.
goggles - protect the nose and mouth from inhaling pungent and volatile chemical substances and dust.
lab coat - must be worn because it protect the feet from chemical substance spills and glass splinters.
gloves - to protect hands from hazardous chemical substances.
face mask - to protect clothing from damage.
What is the function of fume chamber in the laboratory?
It used to carry out experiments that use substances which are volatile, flammable, poisonous, corrosive or pungent.
It is used to immediately clean and rinse parts of the body or clothing that have come into contact with chemical substance.
It is used to avoid contamination when microbiological activities are carried out.
It is used to immediately rinse and wash the eye.
All this are examples of substances that can be disposed of into sinks EXCEPT :
low concentration of acid
radioactive waste
water
weak alkalis
What is the proper way to manage biological waste substances?
Manage by using Standard Operating Procedures.
Manage by throwing into the sink.
Manage by throwing into dustbin in the laboratory.
Give to your friends.
All this are examples of sharp equipment EXCEPT :
Syringe
Needle
Scalpel blade
Gloves
How to manage the biological waste for experimental animals, like mouse and frogs?
throw into the dustbin.
wrapped in absorbent material (tissue paper), packaged well in a biohazard plastic bag and frozen before disposal.
decontaminated by autoclave
Keep in refrigerator.
How many types of fire extinguishers that are commonly used.
1
2
3
4
All fire extinguisher suggested can be used if the fires that involve flammable solids such as wood, paper, cloth and any flammable material EXCEPT
water
foam
dry powder
carbon dioxide
made of two layers of glass fibres. Able to extinguish small or moderate fires that are difficult to extinguish with water. Extinguishes fire on the victim when it is wrapped around him.
(a)
When should you wear your safety goggles?
after school
before you enter the lab and while lab is going on
never
sleep with them
Who should you report all lab accidents to?
My friend
My parents
My pet
My teacher
What should you do if you catch on fire?
RUN
Scream
Get in the chemical shower
Get on the ground and get someone to smother it with the fire blanket
Should you transfer your chemicals by mouth?
Yes
No
Depends
Where should I throw paper or solids?
In the trash or proper waste container
Sink
Backpack
Locker
