Choose the correct statements:
A. The BOD test is an indirect measurement of organic matter present in water
B. Rate at which DO is consumed is directly proportional to biodegradable organic matter present at time 't'
C. Standard BOD curve follows zero order kinetics
D. For one type of waste having defined BOD rate constant, ratio of ultimate BOD and BODs is constant
E. Waste having same BODs and different rate constant can have different ultimate BOD
Choose the correct answer from the options given below:
1
(B), (C), (D) and (E) Only
2
(A), (B), (C) and (D) Only
3
(A), (B), (D) and (E) Only
4
(A), (B), (C) and (E) Only