Use of coagulants such as alum:
AResults in reduction of pH of the treated water
BResults in increase of pH of the treated water
CResults no change in pH of the treated water
DMay cause an increase or de-crease of pH of the treated water
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
മാഗ്നറ്റിക് ലെവിറ്റേഷൻ സംവിധാനത്തിലൂടെ അതിവേഗ തീവണ്ടിയുടെ പരീക്ഷണ ഓട്ടം നടത്തിയ
രാജ്യം
|
The lower half portion of an arch between crown and skew back is
Maximum distance below the surface of the soil from which particular crop derives water for use and develops its root system is
A fixed beam is also termed as
The maximum no. of offences of the same kind within the space of 12 months that can be
charged together is :