Primary sludge includes __________
A) Total suspended solids
B) Suspended solids
C) Removable solids
D) Settleable solids
Correct Answer:
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Q15: What is the colour of ozone?
A)Violet
B)White
C)Grey
D)Colourless
Q16: Ozone is formed by the interaction of
Q17: In which year was the structure of
Q18: In which year was the ozone named?
A)1829
B)1839
C)1849
D)1859
Q19: At what pH ozonation is carried out?
A)8
B)9
C)11
D)7
Q20: Photo catalysis uses which of the following
Q21: How is the electrical requirement for the
Q22: What are the byproducts of the breakdown
Q23: In what range is the EE/O present
Q25: Which of the following methods are used
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