Laboratory Safety Procedures (Grade 12 NSC Matric Physical Sciences): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What two emergency items must be identified before starting lab work?
What two emergency items must be identified before starting lab work?
Fire extinguishers and bucket of sand
Why should you never work alone in a laboratory?
Why should you never work alone in a laboratory?
Others can assist in case of emergency
Why must hair be tied back in the laboratory?
Why must hair be tied back in the laboratory?
To prevent contact with flames/chemicals
What is the critical rule when mixing acid and water?
What is the critical rule when mixing acid and water?
Always add acid to water slowly
How should you safely detect the odour of a chemical?
How should you safely detect the odour of a chemical?
Waft vapours towards you with your hand
When heating a test tube, where should the mouth point?
When heating a test tube, where should the mouth point?
Away from yourself and other people
Why should thick glassware like measuring cylinders never be heated?
Why should thick glassware like measuring cylinders never be heated?
Thermal stress can cause them to shatter
When should you use a fume cupboard?
When should you use a fume cupboard?
When working with hazardous chemicals/gases
What must you do before disposing of chemicals down the sink?
What must you do before disposing of chemicals down the sink?
Check with your teacher first
What is the third step in the safe Bunsen burner lighting procedure?
What is the third step in the safe Bunsen burner lighting procedure?
Turn on the gas supply