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The Chemistry of Water
  • 1. What property of water enables it to dissolve many substances?
A) Viscosity
B) Hydrophobicity
C) Polarity
D) Density
  • 2. What is the most abundant greenhouse gas in the atmosphere?
A) Methane
B) Nitrous oxide
C) Water vapor
D) Carbon dioxide
  • 3. What process describes water turning from a liquid to a gas?
A) Deposition
B) Sublimation
C) Evaporation
D) Condensation
  • 4. What is the heat capacity of water compared to most other substances?
A) None
B) Low
C) Variable
D) High
  • 5. What is the process called when ice turns directly to vapor?
A) Melting
B) Sublimation
C) Condensation
D) Evaporation
  • 6. What happens to water's density as it freezes?
A) It quadruples
B) It remains the same
C) It decreases
D) It increases
  • 7. Why does ice float on water?
A) It is incompressible
B) It has a higher temperature
C) It is heavier than water
D) It is less dense than liquid water
  • 8. Which of the following is a characteristic of hard water?
A) High pH
B) High mineral content
C) Low mineral content
D) Soft texture
  • 9. What do you call water's ability to rise in narrow spaces against gravity?
A) Density
B) Viscosity
C) Capillarity
D) Polarity
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