Practice Quiz

CLEP Chemistry Practice Test

Category - Chemistry

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A leaf gently floats on a pond. Which of the following statements best explains why the leaf stays on top of the water?
  1. The leaf has nonpolar covalentbonds between its atoms.
  2. The density of the leaf is greater than the density of the water.
  3. The water molecules are held tightlytogether by hydrogen bonding.
  4. The hydrogen and oxygen atoms inthe water are chemically bonded.
Explanation
Answer: C - The water molecules are held tightlytogether by hydrogen bonding.
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