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CBSE Notes 2011-2012 » XI-Chemistry

Environmental Chemistry

Name two gases which are responsible for green house effect.

Short answer question

Name two gases which are responsible for green house effect.

Which part of atmosphere contains ozone layer ?

Short answer question

Which part of atmosphere contains ozone layer ?

What is full form of BOD and COD?

Short answer question

What is full form of BOD and COD?

What is PAN ?

Short answer question

What is PAN ?

Name a source of energy which does not create pollution.

Short answer question

Name a source of energy which does not create pollution.

Name two insecticides.

Short answer question

Name two insecticides.

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