Matching Type

In the following questions more than one option of Column I and Column II may match.

Match the terms given in Column I with the compounds given in Column II.

Some time ago formation of polar stratospheric clouds was reported over Antarctica. Why were these formed? What happens when such clouds break up by warmth of sunlight?

A person was using water supplied by Municipality. Due to shortage of water he started using underground water. He felt laxative effect. What could be the cause?

Match the pollutant(s) in Column I with the effect(s) in Column II.

Match the activity given in Column I with the type of pollution created by it given in Column II.