Q. Anaerobic decomposition is also known as

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Q. Some common type of compounds present in crude oil are:

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Q. 'turbidity' increases as long as sewage becomes

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Q. Floating materials in preliminary treatment includes:

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Q. Rise in temperature due to heat from power plant and industries is known as

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Q. What does help in reaeration from atmosphere?

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Q. What causes erosion of concrete degradation?

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Q. Which microorganism is responsible for cholera, typhoid, dysentery?

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Q. As temperature increases, water reduces amount of dissolved oxygen, resulting in increased

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Q. Preliminary treatment reduces solids, ranges from

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Q. Temperature, oxygen is more soluble in water:

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Q. In extreme cases of eutrophication, the water bodies no longer support

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Q. What are the most common metals found in industrial processing?

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Q. Pesticides are destroying the land

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Q. Which lake in sindh Pakistan has destroyed the flora and fauna, due to high salinity and high release of chemicals in the water

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Q. Polluted water causes what Diseases in human?

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Q. Why pesticides poisoning is too high in developing countries?

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Q. Where the extra amount of nitrates and phosphorus moves, when the plants no longer absorb it?

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Q. Pesticides contains which chemicals, which are harmful to human health?

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Q. Warm water release from power station causes

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