Other questions in this quiz

2. Which one is used in cooking oils?

  • Unsaturated
  • Saturated

3. Here is a method used to make ethanol. "Enzymes in yeast break down the sugar into ethanol and carbon dioxide gas". What method is this?

  • Fermentation
  • Electrolysis
  • Ethane Gas
  • Thermal decomp

4. How much of the earths mass is the mantel (Aprox)?

  • 50%
  • 70%`
  • 80%
  • 40%

5. What is in iron ore?

  • Iron and Oxygen
  • Iron and Calcium
  • Iron and Carobon
  • Iron and Hydrogen


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