Related Questions

Which is the most widely used coagulant for the treatment of turbid water?
A Alum (aluminium sulphate)
B Lime
C Ferric chloride
D Sodium aluminate
The coagulant which is generally not used for treating the sewage, is
A Alum
B Ferric chloride
C Ferric sulphate
D Chlorinated coppers
‘Turbid is most similar in meaning to-
A shiny
B murky
C pellucid
D direct
The amount of chemical coagulant added for treatment of polluted water __________ with increase in temperature of the polluted water to be treated.
A Decreases
B Increases
C Remains constant
D May increase or decrease ; depends on the chemical characteristics of polluted water
Natural rubber is obtained from latex, which is a colloidal dispersion of rubber in water. Which of the following is used as a coagulant in latex?
A Ammonium alum
B Potassium alum
C Both A & B
D Neither A nor B
Which of the following is used as a coagulant in water treatment?
A Chloramine
B Chlorine
C Ferrous sulphate
D Hydrogen peroxide
The most widely used coagulant for removing suspended impurities from water is
A Bleaching powder
B Chlorine
C Calcium sulphate
D Alum
Most widely and commonly used coagulant for the removal of suspended impurities in water is
A Bleaching powder
B Slaked lime
C Alum
D Copper sulphate
The most commonly used chemical coagulant in water treatment is
A Ferrous sulphate
B Alum
C Lime
D Hydrazine
The alum, when added as a coagulant in water
A Does not require alkalinity in water for flocculation
B Does not affect pH value of water
C Increases pH value of water
D Decreases pH value of water

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