Important Questions on Materials: Metals and Non-Metals
Differentiate between metals and non-metals. 
Differentiate between acidic oxides and basic oxides. What is the difference between malleability and ductility? There is no better conductor of electricity than silver. Then why are electric wires not made of silver? Ram was wondering why metals are used for making bells and not wood? Can you explain why? Often, doctors prescribe iron tablets for weakness. Why are the tablets not as hard as iron? What do iron tablets contain? Nowadays, silverware blackens faster than it did during our grandparents' time. What do you think could be the reason? 
