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  • Created by: anna10g
  • Created on: 08-05-16 08:49

1. What is not true about temporary hardness (of water)?

  • Produces insoluble CaCO3 (limescale) when boiled
  • It is caused by Calcium Sulfate (CaSO4)
  • It is caused by Hydrogencarbonate ions (HCO3-)
  • Can be removed using ion exchange resin
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2. Which describes the silent prison system?

  • Hard Labour, Hard Fare, Hard Board
  • Prisoners not allowed to see each other
  • Useful work
  • High suicide and insanity rates

3. What does not happen in the incubation of beer?

  • Starch is broken down into sugar by enzymes
  • Yeast ferments the sugar into alcohol
  • Yeast respires anaerobically
  • Fermenting vessel design prevents unwanted microorganisms and air getting in

4. What did not happen in the Kapp Putsch?

  • Kahr informed the government of what was happening
  • Ebert fled to Dresden
  • Ebert called for a general strike
  • Kapp tried to persuade people into work with bribes and threats

5. When was Kristalnacht?

  • November 1938
  • November 1934
  • June 1934
  • June 1938
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