As student doing a titration of HNO3 with sodium hydroxide wanted to use methyl orange as an indicator. Methyl orange changes color at pH = 3.7. Which of the following will be true of this experiment?
A) The concentration of HNO3 will be reported as too high.
B) The concentration of HNO3 will be reported as too low.
C) The concentration of HNO3 will be reported correctly.
D) The experiment cannot be done at all.
B
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Suppose you were standing on a solid surface when P-waves from a nearby earthquake arrived and you could feel them. What ground motion sensation would you feel?
A. The ground would move horizontally beneath you, shaking you side to side. B. The ground would move both vertically and horizontally at the same time. C. The ground would move vertically beneath you, moving you up and down.
The branch of soil science that deals with the origin, classification, distribution, and description of soils is known as
A) geology. B) geomorphology. C) pedology. D) edaphology.
The easiest method of escaping a rip current is to
A. swim parallel to the shore B. swim toward shore C. swim away from the shore
Sulfur dioxide in the atmosphere contributes to
A. acid rain. B. global warming. C. the greenhouse effect. D. All of the above.