Question

V. Give reasons for the following
based on the physical properties.
a) Gold and silver are used for
making jeweleries.
b) Copper and aluminium are used
For making electric wires.
c) Foils can be made out of
aluminium,silver and gold.
d) Car batteries have electrodes
made up of carbon (graphite).​

Answer 1

Answer:

here are your answers-

1. gold and silvers are used for making jewelleries because they have property of malleability and lustre.
2. copper and aluminum are used for making electric wire because they have property of ductility and are good conductor of electricity.
3. Foils can be made out of aluminum,silver and gold because it have property of malleability.
4. Car batteries have electrodes made up of carbon (graphite) because graphite is the only non metal which is good conductor of electricity.