Differentiate between(a) BOD and COD(b) Montreal and Kyoto protocols. – InterviewSolution

InterviewSolution

1.

Differentiate between(a) BOD and COD(b) Montreal and Kyoto protocols.

Answer»

BOD	COD
(i) It is biochemical oxygen demand	It is chemical oxygen demand.
(ii) Its value is lower	Its value is higher
(iii) It measures oxygen demand for the completion of degradation of organic matter.	It measures oxygen demand for oxidising all the reduced substances, whether organic or inorganic.
(iv) It employes decompose microbes	It employs potassium permanganate or potassium diehromate.

(b) Montreal and Kyoto protocols.

Montreal Protocol	Kyoto protocols
(i) It is related to a reduction in the production and consumption of CFC and other ODS.	It is related to emission of CO₂and other greenhouse gases
(ii) The protocol was signed in 1987	(ii) This was signed in 1997
(iii) It was followed by Helsinki declaration to phase out CFCs and halons. The road map was prepared to help the actions to replace CFC and ODS.	(iii) It has been followed by Bati conference in 2007 Road map has been prepared to reduce emission of green house gases by 2012.

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