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