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प्रश्न
Differentiate between chemical pollution and thermal pollution.
उत्तर
(a)
Chemical pollution:
A large number of industrial chemicals which include chemicals from paint, textile & dyestuff industry & various acids & salt solutions enter into the water when discharged as industrial wastes.
Chemical pollutants include — Metallic salt solutions of mercury & lead which cause heavy devastation of marine & plant life.
Agricultural wastes include — Poisonous pesticides namely fungicides & insecticides which may also enter underground water through the soil.
(b)
Thermal pollution:
Certain industries such as the iron & steel industry & numerous chemical plants use large amounts of water for varied functions.
The discharged wastewater after going through technical processes is rendered hot & on entering streams of natural water enhances the growth of harmful biological organisms.
संबंधित प्रश्न
Give one example of A water pollutant.
Study the picture given below and answer the following questions :
Mention the impact of this pollution on human health.
List the cause of water pollution.
Fill in the Blanks:
The release of hot water into rivers causes ______.
Fill in the Blanks:
Sewage is the source of ______ pollution
What are the major sources of Water pollution?
Classify the most significant sources of water pollutants.
Microplastics can be found in almost every freshwater source.
Hot water discharged into water bodies hardly affects the fish and other aquatic life.
Define the following term:
Oil spills
