10 questions in 10 minutes |
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1. A water molecule is formed of ...
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2. The nucleus of the oxygen atom is more attractive to electrons than the nucleus of the hydrogen atom. There is unequal sharing of electrons. This causes which of the following?
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3. Substances which dissolve in water are known as ...
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4. Which of the following is a hydrophobic molecule?
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5. Capillary action in plant cell walls and the movement of water through soil is explained by which property?
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6. The transport of water up the xylem in plants depends on which property?
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7. Cohesion depends on:
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8. The black-throated loon (Gavia arctica) spends much of its time flying but can also swim underwater and dive to catch fish. Solid bones, compression of air in its feathers and in the lungs are necessary because..
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9. The high specific heat capacity of water enables large expanses of water, e.g. a lake habitat to ..
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10. Water is often called a universal solvent, but why is this statement incorrect?
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