16 Which of the folowing dresses is inappropriate to wear in a laboratory?
shirt with rolled up sleeves
loose sleeves
cloth lab coat
rubber lab apron
17 Which of these flasks is useful in a distillation process?
Round-bottom flask
Erlenmeyer flask
Filter flask
Conical flask
18 Which of these laboratory apparatus may be used to crush solids into powder?
Tongs
Mortar and pestle
Crucible
Grinding machine
1
Expert's answer
2016-08-23T07:26:23-0400
Answer: 16. Shirt with rolled up sleeves 17. Round-bottom flask 18. Mortar and pestle
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