CHEM 111 Lab Safety Equipment Quiz
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Questions and Answers

What is the function of a wire gauze in a laboratory?

  • To support glassware when heating with a Bunsen burner (correct)
  • To measure the absorbance of a liquid sample
  • To hold small samples or cover beakers
  • To dispense small quantities of liquids

What is the primary function of a spectrophotometer?

  • To hold small samples or cover beakers
  • To determine the mass of a reagent or object
  • To measure the absorbance or transmittance of a liquid sample (correct)
  • To dispense small quantities of liquids

What is the purpose of a funnel in a laboratory?

  • To pour liquids or powder through a small opening and hold filter paper in filtration (correct)
  • To measure the absorbance or transmittance of a liquid sample
  • To determine the mass of a reagent or object
  • To ventilate noxious or harmful gases

What is the role of a watch glass in a laboratory?

<p>To hold small samples or cover beakers or evaporating dishes (C)</p> Signup and view all the answers

What is the main function of a Bunsen burner in a laboratory?

<p>To serve as a source of heat (A)</p> Signup and view all the answers

What is the primary function of a wire gauze in a laboratory?

<p>To provide a flat surface for supporting glassware during heating with a Bunsen burner (D)</p> Signup and view all the answers

What is the purpose of a watch glass in a laboratory?

<p>To hold small samples or cover beakers or evaporating dishes (A)</p> Signup and view all the answers

What is the main function of a spectrophotometer in a laboratory?

<p>To measure the absorbance or transmittance of a liquid sample (B)</p> Signup and view all the answers

What is the primary purpose of a funnel in a laboratory?

<p>To pour liquids or powder through a small opening and for holding the filter paper in filtration (D)</p> Signup and view all the answers

What is the main function of a Bunsen burner in a laboratory?

<p>To act as a source of heat (A)</p> Signup and view all the answers

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