Question

Which of the following statements is TRUE about following water quality parameters

BOD and COD values in water are always the same

COD indicates only the biodegradable organic load in water

COD analysis requires the presence of some microbes in the water sample

COD analysis includes all organic constituents that can be chemically oxidized using a strong chemical oxidizing agent​

Answer 1

Answer:

option c

Explanation:

is it usefull or hopefull

Answer 2

Which of the following statements is TRUE about following water quality parameters

BOD and COD values in water are always the same

COD indicates only the biodegradable organic load in water

COD analysis requires the presence of some microbes in the water sample

COD analysis includes all organic constituents that can be chemically oxidized using a strong chemical oxidizing agent


Answer : COD indicates only the biodegradable organic load in water