Methods Of Separation: Chemistry Quiz

15 Questions | Total Attempts: 75

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Methods Of Separation: Chemistry Quiz

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Questions and Answers
  • 1. 
    Methods of separation for the components of solid-solid.
    • A. 

      Dissolution

    • B. 

      Filtration

    • C. 

      Evaporation

    • D. 

      Crystallization

    • E. 

      All above

  • 2. 
    .Methods of separation for the components of solid-liquid.
    • A. 

      Dissolution

    • B. 

      Filtration

    • C. 

      Evaporation

    • D. 

      Fractional distillation

  • 3. 
    Methods of separation for the components of liquid-liquid. (miscible)
    • A. 

      Dissolution

    • B. 

      Filtration

    • C. 

      Evaporation

    • D. 

      Fractional distillation

  • 4. 
    Methods of separation for the components of liquid-liquid. (immiscible)
    • A. 

      Separating funnel

    • B. 

      Filtration

    • C. 

      Evaporation

    • D. 

      Distillation

  • 5. 
    Find the Rf value if y (start line-solvent front) is 10cm and the x (start line-spot) is 5cm.
    • A. 

      0.4

    • B. 

      0.5

    • C. 

      0.6

    • D. 

      0.7

  • 6. 
    During filtration, the soild collected in the filter paper is called the_______.
    • A. 

      Filtrate

    • B. 

      Rubbish

    • C. 

      Residue

    • D. 

      Solid

  • 7. 
    ________ separates a dissolved solid from a solution as well-formed crystals.
    • A. 

      Dissolution

    • B. 

      Filtration

    • C. 

      Evaporation

    • D. 

      Distillation

  • 8. 
    During distillation, what are the little particles in the water?
    • A. 

      Solid

    • B. 

      Boiling chips

    • C. 

      Glass

    • D. 

      Stone

  • 9. 
    What are the two methods of paper chromatography?
    • A. 

      ascending and unscending

    • B. 

      Descending and insecending

    • C. 

      Ascending and descending method

    • D. 

      Done above

  • 10. 
    And which one will show the result first?
    • A. 

      Ascending

    • B. 

      Descending

    • C. 

      Unscending

    • D. 

      Inscending

  • 11. 
    Why is the colored spot not placed below the solvent level during chromatography?
    • A. 

      Waste time

    • B. 

      No effect

    • C. 

      For fun

    • D. 

      Dye will dissolve

  • 12. 
    .If you want to use separating funnel to separate oil and water, what is the substance remain in the funnel after the experiment?
    • A. 

      oil

    • B. 

      Water

    • C. 

      Oil and water

    • D. 

      Nothing

  • 13. 
    Sublimation refers to change of state of a substance from _______ to _______.
    • A. 

      solid-liquid

    • B. 

      Solid-gas

    • C. 

      Liquid-gas

    • D. 

      Gas-solid

  • 14. 
    What are the methods used if you want to separate two solids of different solubility in a particular solvent?
    • A. 

      Dissolution

    • B. 

      Filtration

    • C. 

      Evaporation

    • D. 

      Crystallization

    • E. 

      All above

  • 15. 
    To obtain a solute by crystallization method, the solubility of the solute must varies a lot with __________.
    • A. 

      Volume

    • B. 

      Speed

    • C. 

      Nothing

    • D. 

      Temperature