Why does the label ammonium hydroxide on a bottle give a false impression about the bottle=s contents?
A) There is a large amount of NH4+(aq) but only a small amount of OH-(aq).
B) There is a small amount of NH4+(aq) but only a large amount of OH-(aq).
C) There is a large amount of NH3(aq) but only small amount of OH-(aq).
D) None of the above, the label accurately describes the contents.
C
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Why do Western European cities typically have low skylines compared to American cities?
A) The economy was not advanced enough to finance tall skyscrapers. B) Soviet planners preferred thick and massive buildings over tall ones. C) Much urban growth occurred before technology made skyscrapers possible. D) Buildings were poorly constructed and did not last long.
A crystal with a well-defined shape, such as a cube, probably
A. does not have a well-defined cleavage. B. grew early and so was forced to grow around other minerals. C. does not reflect the arrangement of atoms in the lattice. D. will react with dilute hydrochloric acid. E. None of these choices are correct.
Angiosperms constitute less than 90% of all land plants
Indicate whether the statement is true or false
________ are a seasonal phenomena that occurs when moist air is drawn onto a continent from the adjacent ocean
A) Hurricanes B) Typhoons C) Monsoons D) Tsunami