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Though tin occurs lower than iron in the electrochemical series, yet it is coated on steel for corrosion protection, because of its | |
A. | lower cost. [Wrong Answer] |
B. | abundant availability. [Wrong Answer] |
C. | resistance to vegetable acids as the tin plate are commercially used in 'canning' industry. [Correct Answer] |
D. | none of these. [Wrong Answer] |