Question

ozone is used for purifying air in crowded place such as cinema halls, tunnels etc. give reason.

Answer 1

Ozone is used for air purification at the crowded places like cinema halls and tunnel railways because it is a strong oxidising agent. It helps in destroying the foul smell in the atmosphere by oxidising the bad smelling object.

hope it helps................

Answer 2

Sorry to write it here.. but as we know that ozone is extremely harmful to over lungs and even a moderate amount can kill you, then also why do we use it??