Friday, July 20, 2012

physics


 Answers to be included in next post 

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

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

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

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

 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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