ExamVeda
Login
Home

Muddy water is treated with alum in purification process it is...

This question belongs to General Knowledge Chemistry
Chemistry
?

Muddy water is treated with alum in purification process, it is termed as :

Answer & Solution
Correct Answer: Option D
Natural and wastewater contain small particulates that are suspended in water forming a colloid. These particles carry the same charges, and repulsion prevents them from combining into larger particulates to settle. Historically, dirty water is cleaned by treating with alum, Al2(SO4)3.12 H2O, and lime, Ca(OH)2. The phenomenon is known as coagulation.
Examveda
Question posted by Examveda
Community

Join the Discussion

No comments yet Be the first to discuss this question.
Keep Learning

Related Questions on Chemistry

Which of the following phenomenon is considered responsible for Global Warming?
A. Greenhouse effect B. Fire in coal mines C. Dry farming D. Monsoon E. Trade winds
The nucleus of an atom consists of
A. electrons and neutrons B. electrons and protons C. protons and neutrons D. All of the above
The number of moles of solute present in 1 kg of a solvent is called its
A. molality B. molarity C. normality D. formality
The most electronegative element among the following is
A. sodium B. bromine C. fluorine D. oxygen
More Related Questions on Chemistry