Advertisements
Advertisements
प्रश्न
Why is it said that seawater is useful even though it is not potable?
Advertisements
उत्तर
- Water from oceans can be used for making hydroelectricity, a form of renewable source of energy.
- It can be used as a cheap transport method.
- They can be used for activities like scuba diving, water sports, etc., which is a means of boosting the tourism and economic growth of a country.
- Nuclear power plants require coolants like water to bring down the temperature of the reactors. For this purpose, several gallons of water are required and this demand is fulfilled by the water from oceans.
- They support a variety of flora and fauna that have both ecological and economic value.
संबंधित प्रश्न
Why is water essential for life?
Give balanced chemical equation for the reaction of water with Sodium oxide.
What is the effect of impurities present in the water on the melting point and boiling point of water?
Select the correct answer of the following statement:
A solution which can pass through a filter paper but not through a semipermeable membrane.
Give reason for the following:
The percentage of oxygen, in air dissolved in water, is higher than the percentage of oxygen in ordinary air.
Explain the following observation:
Washing-soda become coated with a white powder when left exposed to the atmosphere.
Give a reason for the following:
A crusty ‘boiler scale’ is formed in boilers, when hard water is used.
Name the process which is responsible for the formation of droplets on the surface of a glass of cold drink. _______
Suggest some ideas to save rainwater in your school.
Water is the most ________ resource on the Earth.
