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Topic 1 : Laboratory Measurements & Procedures, Safety rules, Safety…
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Safety rules
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- Articles of clothing must not pose a safety risk in the conducting of lab activities (e.g., ties are not allowed).
- Long hair should be tied back to avoid any interference with laboratory work.
- Eating an drinking are prohibited in thelaboratory.
- Safety goggles should be worn whenever there is any risk of injury to the eyes.
- Wash hands thoroughly before leaving the laboratory, regardless of whether or not gloves were worn.
- Work thoughtfully and purposefully. Playing around and other acts of carelessness are strictly prohibited.
- Report damaged equipment, breakages, accidents and spillage to the teacher immediately.
- Chemicals or other materials must never be tasted unless specifically directed by the teacher.
8.Be aware of the location and use of first aid and emergency facilities, such as emergency eye-washers, showers, first-aid boxes and fire extinguishers, in the laboratory
- Be mindful of where you stand in the laboratory e.g., never stand facing a test tube that is being heated by the Bunsen burner.
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Hazard Symbols
- Hazard symbols are found on the labels of containers that contain dangerous substances.
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- These symbols communicate information about the properties of the substances.
- Knowing the properties of these substances enables us to take precautions to handle the substances properly and safely.