What is the percentage of water from glaciers and ice caps?

What is the third step of raw water treatment?

Which of the following is a dangerous intestinal disease that spreads by polluted water containing bacteria?

Property due to which water acts as a universal solvent is its

What is the first step of raw water treatment?

The fourth step of sewage water treatment is called

What percentage of fresh water is available to man?

What is the second step of raw water treatment?

The ratio of hydrogen (H) and oxygen (O) in water molecule by volume is

What is the fourth step of raw water treatment?

The first step of sewage water treatment is called

Temporary hardness of water is caused due to the presence of dissolved

Which of the following is an intestinal disease caused by bacteria such as E.coli?

What is the percentage of water from rivers and lakes?

Permanent hardness of water is caused due to the presence of dissolved

Step of sewage water treatment in which there are some aeration and organic material is converted to inorganic materials is called

The hardness that cannot be removed by boiling is called

The density of water becomes maximum at

Step of sewage water treatment in which sewage is placed in tanks and aerated with large blowers is called

The hardness that can be removed by boiling is called