Pollution

Pollution

What is Hard Water?

The water which gives low or no froth with soap and detergent is known as hard water. Hard water is due to the presence...
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Pollution

Air pollution

Air pollution is the addition of poisonous gases like CO,  NO, NO2, SO3, SO2, O3, H2S dust, smoke and unburnt hydrocarbons like CH4,C2H5, CFC, ...
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Pollution

Alkalinity

Alkalinity is the water quality parameter that determines the presence of dissolved hydroxide, carbonates and bicarbonates in the water. These may either be present alone or...
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Pollution

Acid rain

Especially in the industrial areas, countries are suffered by the harmful acid rain. The atmosphere is polluted by different oxides of non metals like...
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Pollution

Chemical Oxygen Demand (COD) AND Dissolved Oxygen (DO)

Chemical   Oxygen Demand (COD) The chemical oxygen demand is defined as the amount of oxygen expressed in gram per liter consumed under specified conditions...
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Pollution

Water Pollution ll Sources and control Measures of water pollution

The state of deviation from the pure condition of water due to the mixing of foreign substances whereby its normal functions and properties are...
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