Other questions in this quiz

2. How can you test for alkenes?

  • Bromine water turns from orange to colourless
  • Water goes cloudy because of the carbon dioxide

3. "Atoms aren't lost or made in chemical reactions". True or False

  • Dont know
  • True
  • False

4. How does bio-leaching extract copper?

  • bacteria gets energy from bonds between copper and sulfur.
  • the bacteria uses their energy from respiration.

5. What was Alfred Wegners theory?

  • continental drift
  • Continents had broken away because of convection currents in the mantle


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