In the course of purifying water for town supply the wate...
In the course of purifying water for town supply the water is passed through large settlings tanks, containing sodium aluminate (III) to remove?
large particles
germs
fine particles
odour
Correct answer is C
Potash alum [kAl(S\({O}_4\))\(_2\)] n sodium aluminate (ii) (NaHCO\(_2\)) are added to cause coagulation.
As fine particles to clump together, forming large particles heavy enough to settle at the bottom of the tanks as impurities.
The active reducing agent in the blast furnace for the extraction of iron is? ...
H- + H2(I)O → H2(g) + OH-(aq). From the equation above, it can be inferred that the?...
Which of the following represents a precipitation reaction? ...
A substance that is used as a ripening agent for fruits is? ...
An increase in entropy can best be illustrated by ...
One of the products of combustion of pentane in excess air is ...
Which of the following compounds is unsaturated? ...
In the extraction of aluminum from purified bauxite by electrolysis, cryolite is used because ...