Exam (elaborations)
WHMIS Lab Safety, Scientific Equipment and Microscope Quiz & Answers
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WHMIS Lab Safety, Scientific Equipment and Microscope Quiz & Answers
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WHMIS Lab Safety, Scientific Equipment and MicroscopeQuiz & Answers
What does a WHMIS label include? Correct Ans-- Name of the chemical: common name,
generic name, brand name, code name
- The WHMIS hazard symbols: represent the class the product is in
- Risks and precautions: short phrases that describe the hazards represented by the symbol,
and precautions that are to be taken when using, handling or being exposed to the product
- First Aid instructions: immediate first aid measures that can be taken by the victim or others
in case of an accident or emergency.
- Supplier's name and address
- A reference to the matching MSDS for more information.
Class A (Info) Correct Ans-Compressed Gas
- gas kept under pressure
,WHMIS Lab Safety, Scientific Equipment and Microscope
Quiz & Answers
- drop or impact on the container and heat may cause the container to explode (ex. steel
containers such as acetylene, oxygen, hydrogen and fire extinguishers
- hazardous because of high pressure and the gas itself might be hazardous (if it is, there will
be labels along with the symbol)
- Handle with care, do not drop
- Keep away from heat
- Large cylinders must be properly secured with a chain
-> Cl2, O2
Class B (Info) Correct Ans-Flammable and Combustible Materials
- potential fire hazard
- may burn at relatively low temperature
- sparks, flame or friction could ignite it
- may burst into flames spontaneously in air or water
- keep away from heat sources and other combustible materials
-> Acetone (Nail Polish Remover) and Kerosene (Gasoline)
- Includes 6 Divisions
, WHMIS Lab Safety, Scientific Equipment and Microscope
Quiz & Answers
Class D Division 1 (Info) Correct Ans-Division 1: Materials causing Immediate and Serious
Toxic Effects
- immediately dangerous to life and health (Kill you immediately!)
- handle with extreme caution
- avoid contact with the skin or eyes, use proper protective clothing
- avoid inhaling by working in well-ventilated areas
- wear respiratory equipment
- wash and shower thoroughly after using
-> NaCN (sodium cyanide), HS
Class B Division 1 (Info) Correct Ans-Division 1: Flammable Gases
-> hydrogen, methane, propane
Class B Division 2 (Info) Correct Ans-Division 2: Flammable Liquids
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