Which one of the following items does not characterize a reducing agent? A) A re

Question

Which one of the following items does not characterize a reducing agent? A) A reducing agent losses electrons. B) A reducing agent causes another species to be reduced. C) The oxidation number of a reducing agent increases. D) A good reducing agent is a metal in a high oxidation state, such as Mn E) An example of a good reducing agent is an alkali metal, such as Na. 7. The nucleus is held together by A) quarks. B) the electromagnetic force. C) the electroweak force. D) Higgs bosons. E) the strong nuclear force. 8. Which of the following statements regarding ordinary chemical reactions and nuclear reactions is correct? A) The identity of an atom may change during an ordinary chemical reaction. B) There can never be a change in the total mass measured before and after a chemical reaction or a nuclear reaction. C) The identity of an atom may change during a nuclear reaction. D) The energy change associated with a chemical reaction is always much greater than that of a nuclear reaction. E) The free energy of the universe always increases during nuclear reactions.

Explanation / Answer

6) C

7) E

8) B

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