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VIKRAM PUBLICATION ( ANDHRA PUBLICATION)-ENVIRONMENTAL CHEMISTRY-VERY SHORT ANSWER QUESTION.
- Define the term Soil Pollution.
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- What is Chemical Oxygen Demand (COD) ?
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- What is Biochemical Oxygen Demand (BOD) ?
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- What are Troposphere and Stratosphere ?
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- Name the major particulate pollutants present in Troposphere.
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- List out four gaseous pollutants present in the polluted air.
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- Green house effect is caused by...............and.........gases.
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- Which oxides cause acid rain ? And what is its pH value?
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- Name two adverse effects caused by acid rains.
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- What are smoke and mist ?
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- What is classical smog ? And what is its chemical character (Oxidising...
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- Name the common components of photochemical smog.
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- What is PAN ? What effect is caused by it ?
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- How is ozone formed in the Stratosphere ?
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- Give the chemical equations involved in the ozone depletion by CF2 Cl2...
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- Whar is Ozone hole ? Where was it first observed ?
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- What is the value of dissolved oxygen in pure cooled, water ?
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- Given the possible BOD values of clean water and the polluted water.
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- Name three industrial chemicals that pollute water.
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- What agrochemicals are responsible for water pollution ?
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