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