Separating Mixtures

15 Questions  I  By Hrobinson
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 Separating Mixtures
Quiz to see how much more learning Mrs. Robinson' s class needs to do on the topic of 'separating mixtures' .

  
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  • 1. 
    To get salt out of a solution (separating salt from water) we could try.....
    • A. 

      Melting it

    • B. 

      Evaporating the water so the salt is left behind

    • C. 

      Using a magnet

    • D. 

      Eviserating the water off

    • E. 

      Using the solute to redissolve it


  • 2. 
    If Jo wants to get the iron filings out of some sand, what could she use to separate these two solids?
    • A. 

      A magnet

    • B. 

      Evaporation

    • C. 

      Decanting


  • 3. 
    Evaporation means going from a liquid to a ____________.[Choose from: liquid, solid, gas]

  • 4. 
    Melting means going from a __________ to a liquid.[Choose from: liquid, solid, gas]

  • 5. 

    Condensing means going from a gas to a ____________.[Choose from: liquid, solid, gas]            HINT! Dew is water condensing out of the air onto the grass.

  • 6. 
    Freezing means going from a liquid to a ____________.[Choose from: liquid, solid, gas]

  • 7. 
    If I pour the water off after I boil the potatoes, what is this an example of?[I am separating the solid potatoes from the liquid hot water]
    • A. 

      Decoutage

    • B. 

      Deglazing

    • C. 

      Double glazing

    • D. 

      Decanting

    • E. 

      Decarting


  • 8. 
    I am making lip balm. I have to pour my cooked mixture through some muslin (fabric). What am I doing to the mixture?[I am separating the solid bits from the liquid bits: the liquid can fit through the tiny holes in the muslin fabric]
    • A. 

      Decanting it

    • B. 

      Mixing it

    • C. 

      Filtering it

    • D. 

      Serrating it

    • E. 

      Nothing


  • 9. 
    I put dirty water into a funnel with a paper lining. Clean water comes out of the funnel into my beaker and solid dirt gets left behind on the paper. This is an example of ____________

  • 10. 
    When rain falls, this is because the water vapour in the clouds is condensing into liquid _________?
    • A. 

      Hydrogen

    • B. 

      Oxygen

    • C. 

      Water


  • 11. 
    Which of the following is NOT a mixture?
    • A. 

      Water

    • B. 

      Hot chocolate made with milk

    • C. 

      Coffee made up with hot water

    • D. 

      A boiled sweet


  • 12. 
    Which of the following mixtures could NOT be separated into its components by DECANTING.
    • A. 

      Beans in hot water

    • B. 

      Sand in water

    • C. 

      Coffee in hot water


  • 13. 
    If something has been dissolved in water, how could I separate it from the water again?
    • A. 

      By decanting it

    • B. 

      By evaporating the water

    • C. 

      By dissolving it in milk


  • 14. 
    Which of these are methods of separating a solid from a liquid?
    • A. 

      Decanting, filtering and dissolving

    • B. 

      Decanting, filtering and evaporating

    • C. 

      Decanting and dissolving


  • 15. 
    Which of these methods could be used to separate an insoluble solid from a soluble solid.[HINT: soluble means WILL dissolve; insoluble means WON'T dissolve]
    • A. 

      Mixing the mixture with water and then filtering it. Then we could evaporate the water from the resulting liquid.

    • B. 

      Mixing the mixture with sand and then filtering it. The we could evaporate the sand from the resulting solid.

    • C. 

      Mixing the mixture with hydrogen gas, and then filtering it. Then we could evaporate the solids out.


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