Experiment No. 2: Triple Beam Balance and Measurement Tray
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Questions and Answers

What is the function of the measurement tray on a triple beam balance?

  • To zero out and level the balance
  • To adjust the balance for accurate measurements
  • To label the riders with number increments
  • To hold the item(s) that are being measured (correct)

    • What is the function of the rider beams on a triple beam balance?

  • To zero out and level the balance
  • To hold the riders and label them with number increments (correct)
  • To moveable weights
  • To hold the item(s) that are being measured

    • What is the function of the adjustment knob on a triple beam balance?

  • To moveable weights
  • To label the riders with number increments
  • To hold the item(s) that are being measured
  • To zero out and level the balance to make accurate measurements (correct)

    • What is the function of the pointer on a triple beam balance?

    <p>When pointer and 0 are level, the mass measurement is accurate</p> Signup and view all the answers

    What is the function of the riders on a triple beam balance?

    <p>To moveable weights</p> Signup and view all the answers

    What should you consider when reading a graduated cylinder?

    <p>The curve at the edges of the liquid</p> Signup and view all the answers

    What is the unit for measuring the density of a solid?

    <p>g/cm3</p> Signup and view all the answers

    Which type of pipet is graduated to deliver a specific volume accurately?

    <p>Volumetric pipet</p> Signup and view all the answers

    What is the process for separating the liquid component of a solid-liquid mixture from the solid by pouring?

    <p>Decantation</p> Signup and view all the answers

    What is the term for the solid remaining in the filter paper after filtration?

    <p>Residue</p> Signup and view all the answers

    What is the best method for separating a soluble solid from a solution?

    <p>Evaporation</p> Signup and view all the answers

    What does a serological pipet allow to happen to all the measured liquid in the pipet?

    <p>Exit</p> Signup and view all the answers

    What does the total volume of a solution in a pipet depend on when reading the volume?

    <p>Total volume of the solution</p> Signup and view all the answers

    How does temperature affect density?

    <p>It increases density.</p> Signup and view all the answers

    What are gas, liquid, and solid in terms of their relative densities?

    <p>Gas is less dense than both solid and liquid.</p> Signup and view all the answers

    What is the unit for measuring the density of a liquid substance?

    <p>g/mL</p> Signup and view all the answers

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