Advertisements
Advertisements
प्रश्न
Water is the most ________ resource on the Earth.
पर्याय
precious
solid
gas
उत्तर
Water is the most precious resource on the Earth.
APPEARS IN
संबंधित प्रश्न
What is the major source of fresh water in the city/town/village where you live?
State the importance of water cycle in nature.
What are the main causes of water pollution ? How can it be controlled ?
Explain how the peculiar variation of density of water with temperature can protect marine-life.
Why is water considered a compound?
Why is it said that water is life?
Select the correct word from the words in option to complete the sentence:
Dissolved air in water contains a ____ percentage of oxygen than ordinary air.
Match the items of Column I with the items of Column II with reference to sewage.
| Column I | Column II | ||
| (a) | Inorganic impurities | (i) | phosphorus and nitrogen |
| (b) | Organic impurities | (ii) | nitrates and phosphates |
| (c) | Nutrients | (iii) | cholera and typhoid |
| (d) | Bacteria | (iv) | pesticides and herbicides |
A mixture (x) in water contains suspended solids, organic impurities, inorganic impurities (a), nutrients (b), disease-causing bacteria and other microbes. Give names for (x), (a) and (b)?
In which of the following activities will you use minimum amount of water?
