To conduct a quiz program on air and water pollution, prepare five thought provoking questions (ii) What are the four major gases in the air?

To conduct a quiz program on air and water pollution, prepare five thought provoking questions (iii) When Bhopal tragedy occurred, what were the disasters caused ?

Out of the four major gases in the air which one is useful gas for

What way industries are polluting air and water?

Observe the table and answer the following question. What is the percentage of water vapour in exhaled air ?

We have conducted experiment that proves the release of oxygen when photosynthesis happens ? i) What are the plants used for this experiment ? Where do they grow ? ii) How did you conduct the above experiment ? In which context are large number of air bubbles released? Did you notice?

What steps can be taken up to control air pollution and water pollution? ( AS 1)

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?

If you are a general manager of a chemical industry what precautions would you take to control air and water pollution?

Gases best follow the facts given below A) An ideal gas obeys the mathematical relation PV=nRT B) Rates of diffusion of two gases are in the reciprocal ratio of square roots of their molecular weight C) Total pressure of a mixture of non reacting gases is given by the algebric sum of their partial pressure What is the mass of water vapour in 1 m^3 of air with 0.4 relative humidity at 300K? (Aqueous tension at 300K = 3.6 K Pa)

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.