If the precipitate formed is soft, loose and slimy, these are __________ and if the precipitate is hard and adhering on the inner wall, it is called _____________
A) Sludges, scale
B) Scale, sludges
C) Sludges, rodent
D) Scale, rodent
Correct Answer:
Verified
Q15: The color of the artificial zeolite permutit
Q16: Natural zeolite is mainly processed from _
A)White
Q17: The color of the natural zeolite is
Q18: The chemical formula of Permutit is _
A)SiOAl2O3Na2O
B)SiO2Al2O3Na2O
C)SiO2Al2O3NaO
D)SiO3Al2O3Na2O
Q19: Permutit has an exchange value of _
Q20: The thickness of the layers of filter
Q21: Which of the following is a disadvantage
Q22: Water is mainly used in boilers for
Q23: Which of the following should not be
Q24: Which of the following is not a
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