Advertisements
Advertisements
प्रश्न
Why is it said that seawater is useful even though it is not potable?
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 one word for the following statement :
The change of states of water from one form to another .
Describe the water-cycle in nature.
Identify A, B, C and D; first one is done for you.
Why is it said that water is life?
Give a balanced equation for the following conversion:
Calcium sulphate in permanent hard water to calcium carbonate using sodium carbonate.
Fill in the blank:
The sample of hard water which lathers with soap after boiling and filtration contains _____.
Name one substance which is ‘deliquescent’.
From where do the following usually get water? In which form is water present in them?
Clouds
Water polluted by various human activities causes a number of water-borne diseases. Which of the following is not a waterborne disease?
