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Free CLEP-Science-and-Mathematics – CLEP Science and Mathematics: Biology, Calculus, Chemistry, College Algebra & Mathematics, Precalculus, Natural Sciences Practice Test Question

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Showing 19–20 of 20 questions

Question 19 (Mathematics)

Which of the following is true of any rational number?

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    It is always the root of an algebraic equation with integer coefficients.
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    Its decimal always begins to repeat eventually.
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    You can find an integer which, when multiplied by the number, gives another integer.
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    all of the above.
Question 20 (Chemistry)

A common rule when preparing acidic solutions is to always add acid to water. Which of the following is not a reason for this rule?

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    Mixing strong acids with water produces a large amount of heat.
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    Mixing strong acids with water causes rapid cooling.
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    Adding water to acid could result in splashing concentrated acid.
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    Adding acid to water initially produces a very dilute solution.
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    There is no reason to add acid to water instead of adding water to acid.