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Untitled

hannah.cockram 10 perguntas

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Perguntas do quiz (10)

  1. 1What is the difference between a mixture and a compound?
    1. AA mixtures consists of two or more chemical compounds that are not chemically combined together, whereas in a compound, the elements are chemically combined.
    2. BThe chemical properties of each substance in a mixture are not changed, whereas in a compound, they are.
  2. 2Identify the physical methods in which substances in a mixture can be separated
    1. ADistillation
    2. BFiltration
    3. CCrystallisation
  3. 3Gas chromatography separates allows what?
    1. AThe separation of a mixture of compounds
    2. BA compound
  4. 4What device is used to identify substances leaving the end of a column in gas chromatography?
    1. AA mass spectrometer
    2. BA datalogger
  5. 5Te mass spectrometer can give the WHAT of each substance that is separated in the column?
    1. AThe relative atomic mass
    2. BThe atomic number
  6. 6Carbonates react with dilute acids to form WHAT?
    1. ACarbon dioxide
    2. BOxygen
  7. 7What colour is silver chloride?
    1. AWhite
    2. BCream
    3. CPale Yellow
  8. 8What colour is silver bromide?
    1. ACream
    2. BWhite
    3. CPale Yellow
  9. 9The cathode is the:
    1. ANegative Electrode
    2. BPositive Electrode
  10. 10The anode is the:
    1. APositive Electrode
    2. BNegative Electrode

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Quiz sobre Untitled, criado por hannah.cockram em 18-05-2013.
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English
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