Hazard & Risk

• Hazard symbol

  A) highly flammable

  
• Hazard Symbol

  A) explosive

  
• Hazard symbol

  A) corrosive

  
• Hazard symbol

  A) very toxic

  
• Hazard symbol

  A) oxidising

  
• We use hazard symbols :

  • to identify a hazard or hazardous chemicals
  • to ensure safety precautions are taken and reduce accident or injury
• Risk assessment is:

  • the evaluations and summarisation of possible risks or hazards associated with an experiment.
• Safety-precautions listed to reduce accident or injury :


  • lab coat
  • goggles
  • gloves
  • ppe
• how can it cause death?

  by being swallowed , inhaled or absorbed through the skin
• what does oxidising mean?

  provides oxygen which allows other materials to burn more fiercely
• what does corrosive mean?

  destroys materials including living tissue
• Hazard symbol

  A) harmful

  
• Hazard symbol

  A) environmental hazard

  
• what does a harmful substance do?

  can cause reddening or blistering of the skin
• what does an environmental hazard do?

  harmful to organisms and to the environment