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Year 8 Chemistry Quiz

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  • A sandwich is known to be... (Pure Substance or Impure Substance)
    Impure Substance
  • What is hydrogen? (Pure Substance or Impure Substance)
    Pure Substance
  • Sea water is known as... (Element, Compound or Mixture)
    Mixture
  • What is carbon dioxide? (Element, Compound or Mixture)
    Compound
  • What is Salt and what type of substance is it?
    Compound and Pure Substance
  • What is oxygen? (Element, Compound or Mixture)
    Element
  • Melting ice is a... (Chemical Change or Physical Change)
    Physical Change
  • Gold is known as... (Element, Compound or Mixture)
    Element
  • What is Nitrogen and what type of substance is it?
    Element and Pure Substance
  • When you burn wood, it is a... (Chemical Change or Physical Change)
    Chemical Change
  • What are two groups that pure substances are categorised in?
    Elements and Compounds
  • What is pizza? (Pure Substance or Impure Substance)
    Impure Substance
  • Chopping wood is a... (Chemical Change or Physical Change)
    Physical Change
  • How many atoms is an element composed of?
    One
  • How many atoms is a compound composed of?
    Two or more
  • Eating food then digesting it is a... (Chemical Change or Physical Change)
    Chemical Change
  • What is the one group impure substances are categorised in?
    Mixtures
  • Shredding paper would be a... (Chemical Change or Physical Change)
    Physical Change
  • Water is known as... (Element, Compound or Mixture)
    Compound
  • What is air? (Element, Compound or Mixture)
    Mixture
  • Ammonia is known to be... (Pure Substance or Impure Substance)
    Pure Substance
  • The rusting of a nail is a... (Chemical Change or Physical Change)
    Chemical Change