Test Quizzes Online & Trivia

A comprehensive database of more than 321 test quizzes online, test your knowledge with test quiz questions. Our online test trivia quizzes can be adapted to suit your requirements for taking some of the top test quizzes.



  • In 1751 the ocean pH was 8.25, but it is expected by 2100 that [H+] in the ocean will increase by 2.5 fold. Which of the following indicates the expected ocean pH in 2100?
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  •  The initial [H + ] in 1751 was 5.62 * 10 -9 M, and Ca(OH) 2 is a strong base that is expected to dissociate completely. How much Ca(OH) 2 (1.0 M) would be required to return a 4 L water sample from the year 2100 back to the acidities of year 1751?
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  • Oceanic species such as corals and plankton have calcium carbonate (CaCO 3 ) skeletal structures that require the levels of CO 3 2- to be saturated in ocean waters. What effect would an increase in CO 2 emissions have on these species?
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  • The Japanese have no interest in blood type.

  • New Year’s Day (O-shoogatsu) is the most important celebration in the Japanese calendar.

  • There are more Japanese holidays than there are American federal holidays.

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