Final answer:
Hazards when working with a Bunsen burner include the risk of burns from a recently used one and the potential for combustible materials, like hair, to catch fire.
Explanation:
Hazards when working with a Bunsen burner:
- Recently used Bunsen burner: Risk of accidental burns due to residual heat.
- Combustible materials, such as hair: Risk of hair catching fire if it comes into direct contact with the flame.
Additionally, flammable substances like paper and liquids should be kept away from a lit Bunsen burner to prevent accidental fires.
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