Que 1. Why are metals good conductors of electricity? Ans. Metals are good conductors of electric...

Que 1. Explain why the surface of some metals acquires a dull appearance when exposed to air for a l...

Que 1. Name two metals which react violently with cold water.  Write any observation you w...

Que 1. What are ionic or electrovalent compounds? Give an example of ionic compound. Explain wi...