Explain why Iron :
Iron reacts with steam, but copper does not.

Explain why a piece of iron appears to be cooler than a piece of wood in winter.

What happens when: Nitro benzene reacts with scrap iron in press-ence of little HCI.

Write the chemical reaction when iron reacts with dilute H_2SO_4 .

Explain why does drinking water kept in an earthern pot cool down ?

Explain why: )heating systems based on circulation of steam are more efficient in warming a building than those based on circulation of hot water

Explain how rusting of iron is envisaged as setting up of an electrochemical cell.

Explain why A spinning cricket ball in air does not follow a parabolic trajectory.

Explain why food does not cook speedily at high altitudes.