What is the main reason of water pollution? How can the industrial pol

1.	What is the main reason of water pollution? How can the industrial pollution of fresh water be reduced? Suggest three ways.ORHow do industries cause water pollution in India? Explain any four points
Answer» Water pollution is caused by the discharge of industrial effluents into the water bodies.(b) Thermal pollution occurs when hot water from factories and thermal power plant is drained into rivers and ponds, before cooling. Aquatic life is effected by it. Rainwater percolates into the soil carrying pollutants to the ground and leading to contamination of ground water. The major industries causing water pollution are paper pulp, textile, chemical, tanneries, petroleum, refineries and electroplating industries give out dyes, detergent, acids, salts, heavy metals like lead, synthetic chemicals, plastics and rubber. Fly ash phospo-gypsum and iron and steel slags are the solid wastes discharged into the water. Measures to control water pollution are: Minimising the use of water by reusing or recycling it in two or more stages. Harvesting of rainwater to meet water needs. Treatment of industrial effluents and hot water before releasing them in rivers and ponds. Overdrawing of ground water reserves by industries should be minimised.

What is the main reason of water pollution? How can the industrial pollution of fresh water be reduced? Suggest three ways.ORHow do industries cause water pollution in India? Explain any four points

Answer»

Water pollution is caused by the discharge of industrial effluents into the water bodies.(b) Thermal
pollution occurs when hot water from factories and thermal power plant is drained into rivers and ponds, before cooling. Aquatic life is effected by it.
Rainwater percolates into the soil carrying pollutants to the ground and leading to contamination of ground water.
The major industries causing water pollution are paper pulp, textile, chemical, tanneries, petroleum, refineries and electroplating industries give out dyes, detergent, acids, salts, heavy metals like lead, synthetic chemicals, plastics and rubber. Fly ash phospo-gypsum and iron and steel slags are the solid wastes discharged into the water.

Measures to control water pollution are:

Minimising the use of water by reusing or recycling it in two or more stages.
Harvesting of rainwater to meet water needs.
Treatment of industrial effluents and hot water before releasing them in rivers and ponds.
Overdrawing of ground water reserves by industries should be minimised.