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प्रश्न
Write any two activities which require less than one bucket of water.
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उत्तर
Two activities that require less than a bucket of water are:
- Washing fewer fruits or vegetables.
- Brushing teeth.
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संबंधित प्रश्न
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 |
Give one word for the following statement:
Water fit for human consumption .
Explain how the peculiar variation of density of water with temperature can protect marine-life.
State the importance of the solubility of CO2 and O2 in water.
Explain why:
Rain water does not leave behind concentric rings when boiled.
State what is potable water. Give its qualities or characteristics which make it fit for human consumption.
Name the process which is responsible for the formation of droplets on the surface of a glass of cold drink. _______
Among the given options, which one is not correct for the use of large amounts of fertilisers and pesticides?
Which of the following is waste water?
Fill in the blanks in the following statements using words given in the box.
| air, handpumps, cholera, water, large, ground |
A very ______ number of our people defecate in the open. It may cause ______ pollution and soil pollution. Both the surface water and ______ water get polluted. ______ water is the source for wells, tubewells and ______. Thus it becomes the most common route for ______ borne diseases like ______, dysentery, etc.
