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4 questions
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  • Q1
    Students were given a solid Sample A and made these observations. Determine whether each observation is a PHYSICAL or CHEMICAL property: Sample A floated when dropped into water
    Chemical
    Physical
    30s
  • Q2
    Students were given a solid Sample A and made these observations. Determine whether each observation is a PHYSICAL or CHEMICAL property: Sample A burned when held in a flame
    Chemical
    Physical
    30s
  • Q3
    Students were given a solid Sample A and made these observations. Determine whether each observation is a PHYSICAL or CHEMICAL property: Sample A melted when heated to 52 degrees Celsius
    Physical
    Chemical
    30s
  • Q4
    Which of the following is the best evidence that a chemical change has taken place?
    Question Image
    The apple is smaller after it is cut
    The apple is turning brown
    The apple changed shape
    30s

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