67. Food cans are coated with tin and not with zinc because A.Zinc is costlier than tin B.Zinc has a higher melting point than tin C.Zinc is more reactive than tin D.Zinc is less reactive than tin
Answer: Option C Solution: Food cans are coated with tin and not with zinc because zinc is above the tin in reactivity series means more reactive than tin and can react with food elements preserved in it.
