The presence of which of the following in sewage indicates nitrogen content before decomposition of sewage?
A) Nitrites
B) Nitrates
C) Free ammonia
D) Albuminoid nitrogen
Correct Answer:
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Q11: The disappearance of the plants and animals
Q12: The decomposition of the matter produces into
Q13: The organic matter present in the water
Q14: The temperature of sewage increases. What will
Q15: What is the minimum quantity of dissolved
Q17: The presence of free ammonia in sewage
Q18: Which chemical is used for the titration
Q19: The type of solids which floats in
Q20: The presence of which of the following
Q21: _ is used to find the D.O
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