Chemistry (Unit One)

Questions Based On Topics From C1

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  • Created by: lucybirch
  • Created on: 03-12-15 21:38

1. "Add sulphuric acid to the copper ore - this produces copper sulphate. You can then extract the copper using electrolysis or displacement". What method is this?

  • Phytomining
  • Copper Sulphate
  • Smelting
  • Bioleaching
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2. 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
  • Ethane Gas
  • Thermal decomp
  • Electrolysis

3. "Bacteria feeds on the ore and this produces waste containing copper ions. Electrolysis or displacement will then produce a pure copper." What method is this?

  • Smelting
  • Copper Sulphate
  • Bioleaching
  • Phytomining

4. What properties DOES the iron have after being in the furnace

  • Hard and Brittle
  • Hard and Easly shaped
  • Extremely Soft and Easly shaped
  • Solid and Cold

5. In what state is the outer core?

  • Gas
  • Liquid
  • Solid
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