Advertisements
Advertisements
प्रश्न
_________ is used for desalination of brackish water.
विकल्प
Reverse osmosis
Ion – exchange
Adsorption
Electrodialysis
Advertisements
उत्तर
Reverse osmosis
APPEARS IN
संबंधित प्रश्न
Do you know of any activity which may be polluting this water source?
What are the major causes of water pollution? Explain.
Have you ever observed any water pollution in your area? What measures would you suggest to control it?
Name the following
An agricultural pollutant in water
Name two heavy metals from industries that pollute water.
What are the pollutions caused by the objects given below?
- Loud Speaker
- Plastic
Excess of fluoride in drinking water causes:
Phosphate containing fertilisers cause water pollution. Addition of such compounds in water bodies causes:
(i) enhanced growth of algae.
(ii) decrease in amount of dissolved oxygen in water.
(iii) deposition of calcium phosphate.
(iv) increase in fish population.
Give two examples of water pollutants.
Industrial wastes mainly consist of chemical pollutants.
