Q. Lowest 'pH' measurement observed in kane and Pennsylvania, was approximately

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Q. In Europe and Scandinavia, 'PH' value of rain and snow is

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Q. Weak acids, only capable of adding, fewer

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Q. How long does an acid airborne form in atmosphere ?

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Q. What impairs germination of spruce seeds?

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Q. What affected salamanders ?

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Q. What does 'Aluminum' irritate ?

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Q. What are man-made sources of acid rain ?

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Q. 70% of sulphur dioxide comes from:

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Q. In norway, what factor is involved in removal of salmon ?

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Q. Most of marine species die, if 'pH' falls from

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Q. Which two gases involved in formation of acid rain ?

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Q. What is average annual pH of rain in new hampshire ?

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Q. What makes black forest damaged by pollutants ?

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Q. Strong acids easily ionize

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Q. What does installation of scrubbers can reduce ?

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Q. Acid deposition has been increasing in united states, since

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Q. In 1991, USA and Canada signed an agreement to reduce

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Q. Nitrogen oxide' gas reacts with water to form

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Q. Acid impairs plays vital role in nutrient cycle and:

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