Other questions in this quiz

2. What is the formula for fermentation?

  • sugar =(yeast)= ethanol+carbon dioxide
  • ethanol =(yeast)= sugar+carbon dioxide
  • carbon dioxide =(yeast)= sugar+ethanol
  • sugar = ethanol+yeast

3. What is an ion?

  • A charged atom
  • An electrode
  • A negative atom
  • A positive atom

4. What is iron used for?

  • Construction
  • Cans
  • Planes
  • Wires

5. What is the formula for combustion?

  • alkane+water = carbon dioxide+oxygen
  • alkene+water = carbon dioxide+water
  • alkane+oxygen = carbon dioxide+water
  • alkane+carbon dioxide = oxygen+water

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