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Chemical and Physical Changes Review

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  • Is this an example of a chemical or physical change? Why?
    Chemical, burning and light produced
  • Is this an example of a chemical or physical change? Why?
    chemical, new solid formed
  • Is this an example of a chemical or physical change? Why?
    Physical, change of state of matter
  • What is the stuff that GETS DISSOLVED in a solution?
    Solute
  • What is the stuff that DOES THE DISSOLVING in a solution?
    Solvent
  • Is this an example of a chemical or physical change? Why?
    Chemical, bubbles with new gas
  • Is this an example of a chemical or physical change? Why?
    Chemical, change in color
  • Which picture represents a MIXTURE?
    Picture B
  • What would we do FIRST to separate this mixture of iron, salt and sand?
    Use a magnet to separate the iron
  • How could we separate a mixture of sand and water?
    Filtration
  • Is this an example of a chemical or physical change? Why?
    chemical, change in color
  • Is this an example of a chemical or physical change? Why?
    Physical, melting
  • Which picture represents a MIXTURE?
    Picture W
  • Is this an example of a chemical or physical change? Why?
    Physical, state of matter changed, nothing new is being created. Bubbles are H2O vapor
  • Is this an example of a physical or chemical change? Why?
    Chemical, light produced
  • Is this an example of a chemical or physical change? Why?
    chemical, change in color or change in composition
  • Is this an example of a chemical or physical change? Why?
    Physical, it is melting
  • Is this an example of a chemical or physical change? Why?
    Chemical, precipitate
  • Is this an example of a chemical or physical change? Why?
    Physical, dissolving does not create a new substance.