Which of the following is true of all titrations?
A) They are acid base reactions.
B) The chemicals react in a 1:1 ratio.
C) The reaction must occur rapidly and completely.
D) all of the above
C
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What will be an ideal response?
Which is denser: a 100-million-year-old oceanic lithosphere near a convergent boundary, a 15-million-year-old oceanic lithosphere near a rift, or the upper part of the asthenosphere?
A) A 15-million-year-old oceanic lithosphere B) 100-million-year-old oceanic lithosphere C) Upper asthenosphere D) They all have the same density.
The names of enzymes are often derived from which of the following?
A) the reaction they catalyze B) the compound on which they act C) both a and b D) neither a nor b
The U.N. Human Development Index (HDI) is based on:
A) life expectancy, education, fertility rate B) life expectancy, education, income C) education, income, death rate D) education, income, fertility rate E) education, gender, death rate