Chem Lab Prelims Flashcards
Reaction time of chemicals through eye contact
10 seconds
Most appropriate absorptive material for spilled flammable liquid
Charcoal
MSDS
Material safely data sheet
A document that gives comprehensive information about chemical
Material safely data sheet
Appropriate laboratory attire
- Wear proper personal protective equipment (PPE).
- Do not wear shorts, leggings, or miniskirts.
- Do not wear high-heeled shoes, open-toed shoes, sandals, or shoes made of woven materials.
- Confine long hair and loose clothing.
GHS
Global harmonized system of classification and labeling chemicals
A standard assigned to a hazard class and category to describe the nature and serving of a chemical hazard
GHS
In fire extinguishers, PASS means
P- pull the locking pin
A- aim for the base of the fire
S- squeeze and hold the discharge lever
S- sweep from side to side
Prerequisite for fire
Fire, oxygen, fuel
Fire safety: ordinary combustion
Class A
Fire safety: flammable liquid
Class B
Fire safety: Electrical Equipment
Fire safety: Class C
Fire safety: Combustible Metals
Class D
Fire safety: Kitchen Fire
Class K
Fire safety: dry chemicals
Class ABC