Related Questions

The destruction of water-borne pathogens is termed as disinfection of water. Which of the following is a water disinfectant?
A Chlorine
B Alkalis
C Benzene hexachloride
D Alkyl benzene sulphonate (ABS)
A common disinfectant used in village wells for disinfection of water is
A Free chlorine
B Bromine
C Iodine
D Potassium permanganate
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
Disinfectant হিসাবে কোনটি ব্যবহৃত হয় না?
A স্যাভলন
B লাইজল
C ফেনল
D ইথাইল অ্যালকোহল
Dettol --- the antiseptic disinfectant is produced by---
A ACME
B Reckitt Benckiser
C AIC
D SQUARE
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
During sewage treatment, the sewage is subjected to __________ treatment in Imhoff tank.
A Filtration
B Digestion
C Sedimentation
D Both B and C
In water treatment plant, zeolite process is used to remove the __________ of water.
A Acidity
B Alkalinity
C Hardness
D Iron & zinc
The most commonly used chemical coagulant in water treatment is
A Ferrous sulphate
B Alum
C Lime
D Hydrazine

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