Chemistry (Unit One)

Questions Based On Topics From C1

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

1. Why did people not believe in contenental drift?

  • Forces needed to pull continents apart would stop world from spinning
  • No evidence for his theory
  • Already knew how it happened
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2. What gas makes up most of out atmosphere?

  • Nitrogen
  • Carbon Dioxide
  • Oxgyen
  • Carbon

3. What is an element?

  • a pure substance that can't be made by another substance
  • A thingy on the periodic table
  • somehting found on the periodic table

4. Which one has the higher melting point?

  • Saturated
  • Unsaturated

5. "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?

  • Bioleaching
  • Smelting
  • Copper Sulphate
  • Phytomining

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