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Questions and Answers
What precaution should be taken regarding scarves and neckties in the lab?
What precaution should be taken regarding scarves and neckties in the lab?
- Tuck them into the lab coat for safety.
- Only wear them if they are fire-resistant.
- Avoid wearing them in the lab. (correct)
- Wear them loosely to prevent accidental ignition.
Which item of clothing is required to be worn at all times in the lab according to the text?
Which item of clothing is required to be worn at all times in the lab according to the text?
- Sandals
- Gloves
- Sunhat
- Safety glasses and lab coat (correct)
What technique should be used when diluting a reagent with water according to the text?
What technique should be used when diluting a reagent with water according to the text?
- Mix reagent and water simultaneously.
- Don't dilute reagents with water.
- Add reagent first, then add water slowly. (correct)
- Add water first, then add reagent slowly.
How should one dispose of glass products in the laboratory according to the text?
How should one dispose of glass products in the laboratory according to the text?
What action should you take if you spill something in a common area according to the text?
What action should you take if you spill something in a common area according to the text?
What is the consequence of removing any chemical substance from the laboratory according to the text?
What is the consequence of removing any chemical substance from the laboratory according to the text?
What is the purpose of wearing safety goggles and lab coat in the laboratory?
What is the purpose of wearing safety goggles and lab coat in the laboratory?
Which lab technique involves the determination of calcium as calcium oxalate?
Which lab technique involves the determination of calcium as calcium oxalate?
In analytical chemistry lab exams, how are students evaluated?
In analytical chemistry lab exams, how are students evaluated?
What is the primary purpose of separating cations by ion exchange resins?
What is the primary purpose of separating cations by ion exchange resins?
How much does each lab session weigh in terms of marks?
How much does each lab session weigh in terms of marks?
Why should students not enter the laboratory before the instructor or TA arrives?
Why should students not enter the laboratory before the instructor or TA arrives?
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