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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
Name the two gases from which water is formed. What is the chemical composition of these two gases in water ?
.................... is the purest form of natural water.
Explain why:
Air dissolved in water contains a higher proportion of oxygen.
Name one substance which is ‘deliquescent’.
What is meant by the term ‘offshore drilling’. State the main environmental effects of offshore drilling.
Give a reason for the following:
Efflorescence is minimum during humid conditions.
Unscramble the words and fill in the blanks.
- ondencsaonti ______
- vaeionorpat ______
- ecippitatrino ______
How is the life of organisms living in water affected when water gets polluted?
A jumbled word is given here. Write the correct form of the word.
QUIFERA
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 |
