Why tubes of a boiler are covered with layer of asbestos?
Metals are good conductors of electricity but glass is a bad conductor. Why?
Why metals are good conductors of electricity wherese glass is a bad conductor of electricity?
Cooking utensils are made from:
A) good conductors of heat
B) bad conductors of heat
C) insulators
D) both good conductors and bad conductors of heat
why ionic compounds are bad conductors of electricity and good conductor in molten or aqueous