Question

Which of the following is the cause for the formation of the dense layer of pollutants on the paper in the oil paper experiment?

• A. Industrial growth
• B. Increase in use of automobiles
• C. Increase in noise pollution
• D. Both A and B

Answer 1

The correct option is D Both A and B

The oil-paper test is the test to detect the presence of hydrocarbons. The contaminants and the pollutants which are composed of the hydrocarbons present in the soil, water, and air can be detected. There is a dense layer of the contaminants formed on the surface of the paper due to the increase in the industries and wastes released by them in soil and water. There is an increase in the use of automobiles which cause pollution of the air.

Thus, the correct answer is option D.