Single Choice

Alum helps in purifying water by_________

AForming Si complex with clay particles
BSulphate part which combines with the dirt and removes it
CAluminium which coagulates the mud particles
Correct Answer
DMaking mud water soluble

Solution

Alum, also known as aluminium sulfate is added to water in order to destabilize the mud particles suspended in it. This process is known as coagulation.
Alum helps in purifying water by aluminium which coagulates the mud particles.

SIMILAR QUESTIONS

s - block Elements (Alkali and Alkaline Earth Metals)

An example of Alum is___________.

s - block Elements (Alkali and Alkaline Earth Metals)

Which of the following is not true about potash alum?

s - block Elements (Alkali and Alkaline Earth Metals)

Which of the following is a use of alum

s - block Elements (Alkali and Alkaline Earth Metals)

Alum is water purifier because it___________

s - block Elements (Alkali and Alkaline Earth Metals)

Why does bleeding stop by rubbing moist alum?

s - block Elements (Alkali and Alkaline Earth Metals)

When a solution of sodium hydroxide is added in excess to the solution of potash alum, we obtain:

s - block Elements (Alkali and Alkaline Earth Metals)

When a solution of sodium hydroxided in excess to the solution of postah alum, we get :

s - block Elements (Alkali and Alkaline Earth Metals)

Alums are used for_________

s - block Elements (Alkali and Alkaline Earth Metals)

Answer the following Name the two metals present in common alum.

s - block Elements (Alkali and Alkaline Earth Metals)

Answer the following Name the compound of aluminium which is used as germicide and coagulant in the purification of water.

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