Explain how the use of CNG in automobiles has reduced pollution in our cities.

How to reduce pollution from vehicles?

Use of CNG instead of diesel reduces air pollution because

How to reduce air pollution from industries ?

Explain how the term Botany has emerged.

Statement-I (S-I) : Automobiles are major cause for air pollution in cities. Statement-II (S-II) : Increase in the number of vehicles running by fossil fuels increased in recent years.

In a school, students thought of planting trees in an around the school to reduce air pollution. It was decided that the number of trees, that each section of each class will plant, will be the same as the class. In which they are studying e.g., a section of Class I will plant 1 tree, a section of Class II will plant 2 trees and so on till Class XII. There are three sections of each class. How many trees will be planted by the students?

"The use of CNG and LPG as fuels for automobiles helps us to minimize air pollution and maintains ecological balance." Do you agree with this statement ? If yes, explain.

Explain how liquid hydrogen can be used as a fuel

Explain with the help of a chemical equation, how an addition reaction is used in vegetable ghee industry.