Water Pollutants
Trending Questions
What is water pollution? List its three causes.
Why does the increased level of nutrients in the water affect the survival of aquatic organisms?
Clear and transparent water is always fit for drinking.
True
False
What is the use of yellow dustbin?
Water that is fit for drinking is appropriately called _____ water.
- ground
- distilled
- bottled
- potable
Explain how the use of pesticides in agriculture causes water pollution.
Explain why factory waste is neutralized before disposing of it in the water bodies?
- Sodium
- Arsenic
- Potassium
- Lead
Water which is purified and fit for drinking is known as
Thermal pollution causes a decrease in dissolved oxygen.
- True
- False
The cause of water pollution is lack of dissolved oxygen in water.
- True
- False
Name any two types of chemicals used in agriculture which cause water pollution.
Name any four toxic metals whose compounds are present in industrial wastes.
A pond contains clean water. Which of the following activities will produce the least pollution of water?
washing clothes in the pond
animals bathing in the pond
washing motor vehicles in the pond
swimming in the pond
- Yamuna
- Kaveri
- Ganga
Paheli observed that most of the fish in the pond of her village were gradually dying. She also observed that the waste of a factory in their village is flowing into the pond which probably caused the fish to die.
(a.) Explain why the fish were dying.
(b.) If the factory waste is acidic in nature, how can it be neutralized?
Water is pure and fit for drinking when it is
Transparent
Clear
Free of physical, chemical and biological impurities
Treated with HCl
State one way in which the air pollution caused by the burning of fossil fuels in transport and industry can kill the fish living in a lake and one way in which the water pollution caused by an agriculture acitivity can kill fish living in the same lake.
What are the human activities that cause environmental pollution?
The term “water pollution” can be defined in several ways. Which of the following statements does not give the correct definition?
The addition of undesirable substances to water bodies
The removal of desirable substances from water bodies
A change in pressure of the water bodies
A change in temperature of the water bodies
- Coal mining
- Petrol driven vehicles
- Afforestation
- Thermal power plants
what is the meaning of gangue particles?
What are the different ways in which water gets contaminated? [5 MARKS]
- Metal nitrates
- Sewage
- Oxygen
- Human excreta
- Pesticides
- Oil spills
- Detergents
- Industrial wastes
What type of pollution does the image depict?
How does synthetic waste pollute water ??
