Laboratory Safety Aspects and Familiarization Practical Quiz

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What tense should be used when writing the 'Materials & Methods' section of a practical report?

Future tense

Past passive tense (correct)

Present continuous tense

Present simple tense

When working in a laboratory, what is the recommended order for entering the details of a practical in a CR book?

Practical Number, Date, Title

Title, Date, Practical Number (correct)

Practical Number, Title, Date

Date, Title, Practical Number

What is the purpose of illustrating 15 laboratory safety signs in a practical report?

Decoration purposes

To display suitable safety signs for the laboratory (correct)

To practice drawing skills

To test other students' knowledge

When summarizing the knowledge acquired in a practical report, which verb tense should be primarily used?

Past tense Signup and view all the answers

What type of lines should be used when drawing pictures for laboratory reports?

Straight lines Signup and view all the answers

Which section of a practical report should include a list of common laboratory glassware and their uses?

'Observations' section Signup and view all the answers

What is the difference between hazard and risk?

Hazard is something that can cause harm, while risk is the probability of being harmed under specific circumstances. Signup and view all the answers

Why should one not eat or drink in the laboratory?

To prevent accidental exposure to harmful substances. Signup and view all the answers

What should you do with water bottles and bags while in the laboratory?

Place them outside the laboratory in a locker. Signup and view all the answers

Why should you refrain from using laboratory equipment unless you are familiar with it or under supervision?

To prevent injury to yourself and others. Signup and view all the answers

Why is it important to wash your hands after a laboratory session?

To remove any chemical residue from your hands. Signup and view all the answers

How should you handle expensive and sensitive laboratory equipment?

Ensure proper handling and clean them after every use. Signup and view all the answers

What type of glassware is commonly used for storing chemicals that tend to degrade under sunlight?

Soda-Lime glass Signup and view all the answers

Which of the following chemicals can still be corrosive to laboratory glassware?

Phosphoric acid (H3PO4) Signup and view all the answers

What should you avoid doing when lifting or carrying laboratory glassware?

Holding the trim or neck Signup and view all the answers

What should be done when cleaning laboratory glassware to facilitate longer use and precise results?

Use a biodegradable phosphorous free detergent Signup and view all the answers

What safety precautions should be taken before using any laboratory apparatus?

Check for cracks or leaks Signup and view all the answers

What should be avoided when diluting concentrated acids or alkaline solutions into glass measuring cylinders?

Exposing to direct heat Signup and view all the answers

What is the recommended method for filling a pipette to avoid mouth pipetting?

Use a mechanical pipette filler Signup and view all the answers

What should you do before heating a mixture or test in glassware?

Heat slowly and gradually Signup and view all the answers

What does using an open flame in a Bunsen burner require?

Employing a soft flame and ceramic center of wire gauze Signup and view all the answers

What should be done with broken glassware in the laboratory?

Dispose into a separate bin kept for broken glassware Signup and view all the answers