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प्रश्न
True or false? Correct the wrong statement.
We get rainwater throughout the year.
विकल्प
True
False
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उत्तर
This statement is False.
Explanation:
We get rainwater only for four months
संबंधित प्रश्न
Give reason of Carbonated drinks are bottled under high pressure.
State the importance of the solubility of CO2 and O2 in water.
Compare the effect of soaps and detergents on hard water.
State the meaning of the term ‘water pollution’. State how you would find out, the different sources of pollution of water bodies in the locality.
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 |
A jumbled word is given here. Write the correct form of the word.
WOSN
A mixture (x) in water contains suspended solids, organic impurities, inorganic impurities (a), nutrients (b), disease-causing bacteria and other microbes. Give names for (x), (a) and (b)?
Wells are fed by ______.
Look at the figure.
Write down activities shown in this figure in which water is being used.
Dissolve two spoons of common salt in half a cup of water. Now if you want to get the salt back, what will you do?
