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प्रश्न
“Every Drop Counts” is a slogan related to
विकल्प
counting of drops of any liquid.
counting of water drops.
importance of water.
importance of counting.
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उत्तर
importance of water.
Explanation:
The slogan "Every Drop Counts" is related to raising awareness about the importance of water and the need to conserve it. It emphasises that every small amount of water is valuable and should be used wisely to ensure sustainability for the future.
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संबंधित प्रश्न
Give balanced chemical equation for the reaction of water with Sodium oxide.
Name the gas produced when steam is passed over hot coke.
Give the molecular formula of water ?
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 |
The ultimate source of all water on the earth is
Answer the following question:
What is the chemical composition of water ? Give its molecular formula.
Answer the following question:
Name two gases dissolved in natural water.
Why is water considered a compound?
Explain why:
Air dissolved in water contains a higher proportion of oxygen.
Define
Henry's law
Why is it said that water is life?
The water in a lake is called ground water.
Give the importance of dissolved minerals & salts.
Define ‘eutrophication’.
What is meant by the term ‘oil spill’?
_____ is a type of rainwater harvesting.
Complete the following chart by writing appropriate words in the boxes marked (a) to (e).
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 |
Think and suggest some ways to minimise waste and pollutants at their source, taking your home as an example.
