Which of the above substances would have the lowest boiling point?
A. a
B. b
C. c
D. All boil at the same temperature.
E. All are gases.
Answer: A
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Which chemical weathering reaction is basically the same as rusting?
a. solution b. oxidation and hydration c. desiccation d. hydrolysis e. elutriation
Why can some insects walk on water?
a. Insects can walk on water because of its high surface tension. b. Insects can walk on water because it is a polar solvent. C. Insects can walk on water because they are less dense than water. d. Insects can walk on water because they are denser than water.
The amount of erosion done by glaciation is not affected by the ________
A) thickness of the ice B) roughness of terrain C) periglacial conditions D) bedrock structure E) rate of ice flow
What is the characteristic of water molecules that gives water a “sticky” quality?
A. hydrogen bonding B. strong polarity C. covalent bonding D. liquidity E. surface tension