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Quiz

Electrolysis Quiz for AQA Chem

Usuário eliminado 8 perguntas

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Perguntas do quiz (8)

  1. 1The cathode is
    1. AThe positively charged ion
    2. BThe positively charged electrode
    3. CThe negatively charged electrode
    4. DThe negatively charged ion
  2. 2Oxidation is
    1. AGain of electrons
    2. BLoss of oxygen
    3. CLoss of electrons
    4. DGain of oxygen
  3. 3Label this diagram of electrolysisImagem da pergunta 3
    1. ABattery
    2. BAnode
    3. CCathode
    4. DElectrolyte
  4. 4Wash electrodes in [blank_start]distilled water[blank_end] and then dip them in [blank_start]propanone[blank_end] before use.
    1. Adistilled water
    2. Bpropanone
  5. 5Very reactive metallic elements are extracted from ores by [blank_start]electrolysis[blank_end].
    1. Aelectrolysis
  6. 6In the chloroalkali process, the non-permeable [blank_start]ion exchange membrane[blank_end] allows sodium ions to pass into the second chamber where sodium [blank_start]hydroxide[blank_end] forms
    1. Aion exchange membrane
    2. Bhydroxide
  7. 7Fill in the blanks in the following sentences which refer to the electrolysis of an ionic compound.
    Lead bromide has a [blank_start]high[blank_end] melting point and so must be heated in a [blank_start]crucible[blank_end] so that it will melt.
    Zinc ions are changed into zinc atoms as they [blank_start]gain[blank_end] electrons.
    Bromide ions are changed into bromine [blank_start]gas[blank_end] as they give up electrons to the [blank_start]anode[blank_end].
    1. Ahigh
    2. Bcrucible
    3. Cgain
    4. Dgas
    5. Eanode
  8. 8[blank_start]Electrolysis:[blank_end] Chemical decomposition produced by passing an electric current through a liquid or solution containing ions.
    [blank_start]Electrolyte:[blank_end] An ionic substance with freely moving ions.
    [blank_start]Cation:[blank_end] A positively charged ion
    [blank_start]Anion[blank_end]: A negatively charged ion
    1. AElectrolysis
    2. BElectrolyte
    3. CCation
    4. DAnion

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Descrição
O usuário eliminou as informações de disciplina Quiz sobre Electrolysis Quiz for AQA Chem, criado por Usuário eliminado em 13-07-2017.
Autor
Usuário eliminado
Idioma
English
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34

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