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6. Which is more dense, water or an alkane? What is the result of this?

  • The alkane is more dense and therefore sinks to the bottom
  • The water is more dense and therefore floats on top of the alkane.
  • The alkane is less dense and therefore floats on top of the water.
  • The alkane is more dense and therefore floats on top of the water.
  • The water is less dense and therefore sinks to the bottom.

7. In which group of the periodic table does carbon belong?

  • 4
  • 5
  • 1
  • 3
  • 2

8. Alkanes do not react with common laboratory reagents such as acids or alkalis

  • True
  • False