Chemistry Chapter 12: Mixtures and Separation Techniques
13 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What defines a mixture?

  • A solution where one substance completely dissolves in another.
  • Two or more elements combined chemically.
  • A single substance that cannot be separated into its components.
  • Two or more substances mixed together without chemical bonding. (correct)

    • Which method is used to separate liquids that do not mix together?

  • Filtration
  • Sieving
  • Evaporation
  • Decanting (correct)

    • What is the residue in a filtration process?

  • The liquid that passes through the filter paper.
  • The mixture before filtration.
  • The smaller particles that pass through the filter.
  • The solid that remains on the filter paper. (correct)

    • What happens to particles in a suspension when allowed to settle?

    <p>They settle to the bottom as sediment.</p> Signup and view all the answers

    Which of the following describes sieving?

    <p>Separating materials by their particle sizes.</p> Signup and view all the answers

    What is the primary purpose of evaporation in separating mixtures?

    <p>To remove soluble solids from a liquid</p> Signup and view all the answers

    Which component is NOT necessary for the distillation process?

    <p>Chromatography paper</p> Signup and view all the answers

    What is the role of the Liebig condenser in distillation?

    <p>To cool the gas back into a liquid</p> Signup and view all the answers

    What does a chromatogram represent?

    <p>The pattern of separation of substances from a mixture</p> Signup and view all the answers

    Which of the following best describes boiling in contrast to evaporation?

    <p>Boiling changes the entire volume of the liquid into gas at once</p> Signup and view all the answers

    What type of mixture components does chromatography primarily separate?

    <p>Different substances based on rate of travel</p> Signup and view all the answers

    What material is used as the absorbent in paper chromatography?

    <p>Chromatography paper</p> Signup and view all the answers

    How does the boiling point affect the separation in distillation?

    <p>Lower boiling point liquids evaporate first</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser