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Questions and Answers
What angle do the hydrogen atoms form with the oxygen atom in a water molecule?
What angle do the hydrogen atoms form with the oxygen atom in a water molecule?
- 120°
- 180°
- 104.45° (correct)
- 90°
What is the chemical formula of water?
What is the chemical formula of water?
- NaCl
- HCl
- CO2
- H2O (correct)
What percentage of Earth's surface is covered by water?
What percentage of Earth's surface is covered by water?
- 50%
- 30%
- 71% (correct)
- 90%
In what form does water exist on Earth due to its relatively close environment to water's triple point?
In what form does water exist on Earth due to its relatively close environment to water's triple point?
What is the main constituent of Earth's hydrosphere and the fluids of all known living organisms?
What is the main constituent of Earth's hydrosphere and the fluids of all known living organisms?
What is the state of water at its triple point due to Earth's environment being relatively close to it?
What is the state of water at its triple point due to Earth's environment being relatively close to it?
What is the percentage of water that covers Earth's surface?
What is the percentage of water that covers Earth's surface?
In what form does crystalline ice precipitate when finely divided?
In what form does crystalline ice precipitate when finely divided?
What is the chemical formula of water?
What is the chemical formula of water?
What is the main role of water in living organisms?
What is the main role of water in living organisms?
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