Question

Report on condctivity of electricity by iron cooper aluminium and zinc

Answer 1

Use similar rods of each metal. Stand them on a large piece of cobalt chloride paper on a tripod with the rods in a V shape so the points all come together over a bunsen burner. Make sure the paper will not be in the flame. Light bunsen, open air hole. As the rods heat up you can follow the progress of heat along each rod by the blue colour that appears. Longest blue line is best conductor. Compare lines.

Answer 2

Explanation:

· In case of aluminium,iron,copper and zinc we observe that , bulb glows in the circuit. 3. Copper wire is the best conductor among all the metals. Copper wire is the best conductor among all the metals.