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Analytical Chemistry Laboratory Manual Experiments Index

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Analytical Chemistry Laboratory Manual Experiments Index

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Questions and Answers

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?

Sandals

Gloves

Sunhat

Safety glasses and lab coat (correct)

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?

Place in a special container provided for glass disposal. Signup and view all the answers

What action should you take if you spill something in a common area according to the text?

Clean it up immediately as it may injure someone else. Signup and view all the answers

What is the consequence of removing any chemical substance from the laboratory according to the text?

Possible expulsion from the class and university. Signup and view all the answers

What is the purpose of wearing safety goggles and lab coat in the laboratory?

To protect eyes and body from chemical splashes and spills Signup and view all the answers

Which lab technique involves the determination of calcium as calcium oxalate?

The Determination of calcium as calcium oxalate Signup and view all the answers

In analytical chemistry lab exams, how are students evaluated?

Based on their answers during the lab and overall performance in exams Signup and view all the answers

What is the primary purpose of separating cations by ion exchange resins?

To isolate different cations present in a sample Signup and view all the answers

How much does each lab session weigh in terms of marks?

2 marks for lab performance and 1 mark for evaluation and personal attitude Signup and view all the answers

Why should students not enter the laboratory before the instructor or TA arrives?

To prevent unauthorized access to dangerous chemicals Signup and view all the answers