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प्रश्न
Water is the most ________ resource on the Earth.
विकल्प
precious
solid
gas
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उत्तर
Water is the most precious resource on the Earth.
APPEARS IN
संबंधित प्रश्न
State the importance of water cycle in nature.
Match the statements in column A with that in column B.
| Column A | Column B |
| (a) deliquescent substance | (1) sodium bicarbonate |
| (b) hygroscopic substance | (2) magnesium chloride |
| (c) efflorestance substance | (3) conc. sulphuric acid |
| (d) substance causing temporary hardness | (4) washing soda |
What are its causes and how can water pollution be controlled ?
Give balanced chemical equations to show the reaction between Magnesium and water.
Answer the following question.
Suggest three ways to conserve water.
Explain why:
Air dissolved in water contains a higher proportion of oxygen.
What do you understand by Temporary hardness?
Select the correct answer of the following statement:
A drying agent placed in desiccator.
Around 97% of water available on earth is ______ water.
Look at the map of Tamilnadu showing annual rainfall and answer the questions given below
- Identify the districts that get only low annual rainfall in Tamilnadu.
- Identify the districts that get a medium annual rainfall in Tamilnadu.
- State the districts that enjoy high annual rainfall in Tamilnadu.
