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प्रश्न
A jumbled word is given here. Write the correct form of the word.
CHARREGE
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उत्तर
RECHARGE
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संबंधित प्रश्न
Why do organisms need water?
What is the major source of fresh water in the city/town/village where you live?
Name the gas produced when fossil fuel is burnt.
Two gases found dissolved in natural water are
Describe the water-cycle in nature.
What is the effect of impurities present in the water on the melting point and boiling point of water?
What is the importance of dissolved impurities in water?
Select the correct answer of the following statement:
A solution which can pass through a filter paper but not through a semipermeable membrane.
Complete the statement by filling the blank with the correct word from the option.
Kerosene & water form a _______ mixture.
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 |
True or false? Correct the wrong statement.
We get rainwater throughout the year.
Look at the map of Tamilnadu showing annual rainfall and answer the questions given below
- Identify the districts that get only low annual rainfall in Tamilnadu.
- Identify the districts that get a medium annual rainfall in Tamilnadu.
- State the districts that enjoy high annual rainfall in Tamilnadu.
Nitrogen is used for the treatment of drinking water.
On which of the following day is World Water Day observed?
A jumbled word is given here. Write the correct form of the word.
QUIFERA
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)?
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 ______.
Construct a crossword puzzle of your own using the keywords.
