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Quiz

Chemistry C2

greenchloe1998 14 perguntas 3,9 (8 avaliações) Atualizado em 9 jun 2017

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Perguntas do quiz (14)

  1. 1What are isotopes?
    1. ADifferent forms of the same element which have the same number of protons and a different number of neutrons.
    2. BDifferent forms of the same element which have the same number of protons and a same number of neutrons.
    3. CDifferent forms of the same element which have the different number of protons and a same number of neutrons.
  2. 2what is ionic bonding?
    1. Atransfer of electrons to form charged atoms
      Imagem da opção A
    2. BSharing electrons to form a full outer shellImagem da opção B
  3. 3Ionic compounds have a regular lattice structure.
    1. AVerdadeiro
    2. BFalso
  4. 4Silver Chloride is soluble.
    1. AVerdadeiro
    2. BFalso
  5. 5Tick all correct flame tests.
    1. ASodium ions give an orange/yellow flame
    2. BSodium ions give an pink flame
    3. Cpotassium ions give a red flame
    4. Dpotassium give a lilac flame
    5. Ecalcium ions give a blue flame
    6. FCopper ions give a bluey-green flame
  6. 6Barium sulfate, used in x-rays is swallowed by patients in barium meals. It is toxic.
    1. AVerdadeiro
    2. BFalso
  7. 7How do you test for carbonates, for example Carbon dioxide?
    1. AAdd dilute HCL and barium chloride solution. A white precipitate means Carbon dioxide is there.
    2. BBubble it through limewater, if it's carbon dioxide it will go cloudy.
    3. Cflame test it! If it turns white its Carbon dioxide
  8. 8Simple molecular covalent substances have which of these characteristics?
    1. AVery strong covalent bonds form small molecules of two or more atoms.
    2. BVery weak inter-molecular forces.
    3. CHigh melting and boiling points.
    4. DConducts electricity.
  9. 9Giant Molecular Covalent Substances have which of these characteristics, tick all the correct answers.
    1. AThey're similar to ionic lattices.
    2. BThey're soluble in water.
    3. C(except for graphite). Don't conduct electricity.
    4. DDiamond and Graphite are main examples.
  10. 10which process is better for separating miscible ( mixable) mixtures, separating funnels or fractional distillation?
    1. ASeparating funnels.
    2. BFractional distillation.

Informações

Descrição
A simple quiz on GCSE edexcel C2.
Idioma
English
Visualizações
600
Histórico
Criado em 13 jan 2015 · atualizado em 9 jun 2017
Etiquetas
chemistryedexcelc2topic 2isotopequestionsrevisionhopegcsecoolchemistry revisionsciencegcse edexcel
Avaliação
3,9 de 5 · 8 avaliações
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