Pick out the correct statement ?

Question

Xaibi Aslam · Accepted Answer

All A., B. and C.

Xaibi Aslam · Answer

Chemical oxygen demand (COD) is a measure of chemically oxidisable organic matter present

Xaibi Aslam · Answer

in water

Xaibi Aslam · Answer

COD is determined by oxidising the organic matter present in water with potassium

Xaibi Aslam · Answer

dichromate in cone, sulphuric acid solution at boiling temperature for specified time

Xaibi Aslam · Answer

COD is related to BOD of a given waste in water but the relationship varies for different

Xaibi Aslam · Answer

wastes. Typically COD of potable water may be 1-2 mg/litre

Question #82595