Q. Which natural mechanism is very important in removing particulate from atmosphere?

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Q. Simplest type of equipment used for collection of solid particles is known as

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Q. What is 'adiabatic lapse' rate for wet air?

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Q. What reduces amount of light reaching leaf?

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Q. What are biological particles found in atmosphere?

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Q. Term 'aerosol' is applicable as long as particle is suspended in

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Q. Which hydrocarbon is biologically active and potentially carcinogenic?

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Q. Which gas is bluish in color and has pungent odor?

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Q. Which particle ranges from 1 to 1000 um in diameter ?

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Q. Gasoline' and 'protroleum' are products of

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Q. Which gas easily oxidize, paints, textile fibers and dyes?

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Q. Which animal is highly susceptible in farm animals?

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Q. DMS stands for

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Q. Hydrogen sulphide is produced from

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Q. Natural sources of sulfur dioxide involves:

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Q. Which pollution is considered as major environmental risk factor on environment?

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Q. What does incomplete combustion produce ?

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Q. What is the pH value of rain in industrial areas?

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Q. In the atmosphere, what carries the air pollutants to other places and other countries?

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Q. Snow and rain in the industrial north east of USA have been known as the pH of

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