ScienceBiologyProperties Of Water Quiz
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Properties Of Water Quiz

Cayden Brooks avatar Cayden Brooks
24 July 2022
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15 test answers

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question
Which best explains why an iceberg floats?
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C. Water expands and becomes less dense when it freezes.
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Which best explains the high surface tension of water?
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D. Its hydrogen bonding interactions.
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Water molecules are polar because the
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B. Water molecule has a bent shape.
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Which statement is true about the electrons in each polar bond of a water molecule?
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A. They are more attracted by the oxygen atom than by the hydrogen atom.
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Which best explains why blood and the cytoplasm of cells are mainly composed of liquid water?
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B. Water is an important transport and reaction medium.
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Which is the best example of water regulating an organism's body temperature?
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A. A jogger sweating after a run.
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Which example best shows that the chemistry of water is helpful to plants?
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C. Water's polarity causes cohesion that pulls other water molecules up through a plant.
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Which statement best describes how water's properties relate to its functions in a human's biological systems?
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A. Water absorbs a lot of energy from the skin due to its high specific heat.
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Which statement would be true about a water molecule if it had a linear shape?
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D. It would be a nonpolar molecule.
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Which is a characteristic of the polar water molecule?
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A. A tetrahedral electron domain geometry with covalently bonded atoms.
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Water can resist a greater external force than ethanol can. Which statement best describes this difference?
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D. Water has greater surface tension than ethanol.
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Which statement best explains water's ability to dissolve covalent compounds?
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A. Water can dissolve polar covalent compounds through dipole-dipole interactions.
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Which is a cause of polarity in water molecules?
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C. High electronegativity difference between oxygen and hydrogen.
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Which best explains why water is able to "stick" to the side of glass?
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C. Strong adhesive forces exist between glass and the water molecules.
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Which role of water is significant for most living things in a biological system?
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C. It provides temperature regulation.