Golgappa.net | Golgappa.org | BagIndia.net | BodyIndia.Com | CabIndia.net | CarsBikes.net | CarsBikes.org | CashIndia.net | ConsumerIndia.net | CookingIndia.net | DataIndia.net | DealIndia.net | EmailIndia.net | FirstTablet.com | FirstTourist.com | ForsaleIndia.net | IndiaBody.Com | IndiaCab.net | IndiaCash.net | IndiaModel.net | KidForum.net | OfficeIndia.net | PaysIndia.com | RestaurantIndia.net | RestaurantsIndia.net | SaleForum.net | SellForum.net | SoldIndia.com | StarIndia.net | TomatoCab.com | TomatoCabs.com | TownIndia.com
Interested to Buy Any Domain ? << Click Here >> for more details...

Why is alum added to purify water ?

Answer Posted / guest

On allowing water to stand in big tanks, the suspended water
subsides at the bottom. The suspended impurities are
immediately coagulated by addition of alum. The precipitate
settles at the bottom dragging bacteria and other tiny
particles with it.

Is This Answer Correct ?    29 Yes 14 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

However ozone is heavier than oxygen still ozone is up there in sky why?

1075


State beer-lambert’s law.

1152


What is the formula you will use to calculate how many millilitres of 5.5 m naoh are required to prepare 400 ml of 1.5m naoh?

1017


What is molality?

993


What is photoelectric colorimeter?

1039


What is iron ore consists of?

1055


What is specific conductivity?

1105


What are the uses of glacial acetic acid?

1123


Which is the indicator used in the determination of cao I cement solution?

1001


What is colorimetry?

1141


What is protein - according to chemistry?

1199


Cholesterol is a compound suspected of causing hardening of the arteries. The formula of cholesterol is C27H46O. a. A sample of cholesterol is isolated from the arterial lining of a 60-year-old American male. What is the formula of this compound? b. Cholesterol is extracted from a chicken’s egg. What is the formula of this compound?

3184


How many electrons does benzene have?

1040


what is the relation between Total organic carbon and Chemical Oxygen demand?

2927


State beer’s law.

999