Friday, July 20, 2012

chemistry

Which metal is most likely obtained by the electrolysis of its fused salt?

A. Au
B. Ag
*C. Li
D. Zn

5. Because of its high reactivity, which element is never found free in nature?

A. O
*B. F
C. N
D. Ne

6. Iron corrodes more easily than aluminum and zinc because aluminum and zinc both

A. Are reduced
B. Are oxidizing agents
*C. Form oxides that are self-protective
D. Form oxides that are very reactive

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