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Question
What is the major source of fresh water in the city/town/village where you live?
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Solution
River is a major source of fresh water.
RELATED QUESTIONS
What is meant by the term ‘offshore drilling’. State the main environmental effects of offshore drilling.
State the importance of water for all general uses.
Give a reason for the following:
Efflorescence is minimum during humid conditions.
Match the terms in List I with the correct answers in List II.
| List I | List II |
| 1. Solubility in a given solvent decreases with an increase in temperature. | A: Na2SO4.10H2O |
| 2. A white efflorescent crystal | B: NaOH |
| 3. A hygroscopic dehydrating agent | C: Ca(HCO3)2 |
| 4. A deliquescent alkali | D: conc. H2SO4 |
| 5. A substance present in temporary hard water | E: CaSO4 |
Match Column I with Column II
| Column I | Column II | ||
| (a) | Ground water | (i) | Solid form of water |
| (b) | Bawri | (ii) | Wastage of water |
| (c) | Snow | (iii) | Water management |
| (d) | Drip irrigation | (iv) | Small water |
| (e) | Leaking taps | (v) | Water table |
From where do the following usually get water? In which form is water present in them?
Clouds
From where do the following usually get water? In which form is water present in them?
Plants
From where do the following usually get water? In which form is water present in them?
Animals
Write any two activities which require less than one bucket of water.
Fill in the blanks selecting words from the following list
snow, rain, clouds, vapour, evaporation, transpiration.
Water, as ______ goes into atmosphere by the processes of ______ and ______ and forms ______, which on condensation fall in the form of ______ and ______.
