Why electric wires are made of copper?
Electric wires are made of copper because it is good conductor of electricity and cheper than other metallic wire.
An iron knife kept dipped in blue copper sulphate solution, turns the solution light green. Why?
What is malleability? Name two most malleable metals. Are non-metals malleable and ductile?
Write any three physical characteristics of metals.
Write any three physical characteristics of non-metals.
