Name two metals which are good conductors of both heat and electricity.
Copper and Aluminium are good conductors of both heat and electricity.
Name a non-metal which is good conductor of heat and electricity.
Graphite is good conductor of heat and electricity.
Why are cooking utensils made of copper or aluminium?
Cooking utensils are made of copper or aluminium because they are good conductors of heat.
Why are metals called sonorous?
Since metals produce ringing sounds, so they are called sonorous.