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5 Written questions

5 Matching questions

  1. scientific name of sand, glass, and glass marbles
  2. chemical formula of Epsom salt
  3. scientific name of hydrogen peroxide
  4. scientific name of Epsom salt
  5. scientific name of table salt
  1. a sodium chloride
  2. b MgSO4
  3. c magnesium sulfate
  4. d silicon dioxide
  5. e hydrogen peroxide

5 Multiple choice questions

  1. Cu
  2. CaCO3
  3. sodium bicarbonate
  4. calcium carbonate
  5. SiO2

5 True/False questions

  1. scientific name of vinegar5% acetic acid solution


  2. chemical formula of hydrogen peroxideH2O2


  3. chemical formula of vinegarC9H8O4


  4. chemical formula of aluminum foilAl


  5. scientific name of electrical wiremagnesium sulfate


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