An iron knife kept dipped in blue copper sulphate solution, turns the solution light green. Why?
Iron displaces copper from copper sulphate solution to form a light green solution of ferrous sulphate.
Why electric wires are made of copper?
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.
