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  5. Environmental Chemistry / पर्यावरणीय रसायन

11th Class Chemistry Environmental Chemistry / पर्यावरणीय रसायन

  • question_answer 1)
      Assertion (A): Excessive use of chlorinated synthetic pesticides causes soil and water pollution. Reason (R): Such pesticides are non-biodegradable.

    Answer:

      (a) Chlorine containing insecticides and pesticides are non - biodegradable and they pollute soil and water.


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