Which of the following statements is true?

A. Metals conduct electricity while non-metals do not
B. Metals have high density, non-metals have low density
C. Metals form basic oxides, non-metals form acidic oxides  
D. In the electro chemical series, metals are above hydrogen while non-metals are below hydrogen
E. Metals lose elections while non-metals gain electron during normal reactions

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Correct Answer: C