NCERT Exercise 3.1 — Q4 - Metals and Non-metals
Question: 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: 1. Food cans are containers used to store food items for long periods. 2. Food items often contain organic acids like citric acid, lactic acid, or malic acid. 3. The lining of the can must not reac...
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