Chemistry (Unit One)

Questions Based On Topics From C1

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

1. What method is used to extract Potassium, Sodium, Calcium, Magnesium and Aluminium from ores?

  • Dissolving in acid
  • Thermal Decomp
  • Electrolysis
  • Reduction
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2. What is the name of the process used to seperate crude oil?

  • Electrolysis
  • Fractional distillation
  • Thermal Decomp

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

  • 40%
  • 50%
  • 80%
  • 70%`

4. Which one of these make up aprox 70% of the surface of the crust?

  • Coral
  • Land
  • Water
  • Rock

5. What is an emulsifier?

  • A substance that sticks the oil and water together - works like a glue
  • An element that sticks the oil and water together - works like a glue
  • A glue
  • A catalyst

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