Other questions in this quiz

2. atoms are represented by...

  • pictures
  • symbols
  • long words

3. when copper ore is heated in a furnace what is this called?

  • reduction
  • smlting
  • electrolysis

4. the shorter the molecule the...

  • higher the boiling point
  • more runny the hydrocarbon is
  • less stetchy the hydrocarbon is
  • more viscous the hydrocarbon is

5. what is electrolysis?

  • breaking down a substance using electricity
  • an electric current


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