All GRE Subject Test: Chemistry Resources
Example Questions
Example Question #202 : Gre Subject Test: Chemistry
Which substance is used as a reducing agent?
Possible Answers:
Correct answer:
Explanation:
A reducing agent is a substance that readily donates an electron to another substance. They consist primarily of elements with low electronegativities such as hydrogen. Therefore, the answer is (sodium borohydride) which consists primarily of hydrogen atoms.
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All GRE Subject Test: Chemistry Resources
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