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प्रश्न
State whether the following statement is true or false. If false, write the correct statement.
Purification of water is carried out to remove – dissolved gases e.g. carbon dioxide and dissolved minerals like magnesium salts.
विकल्प
True
False
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उत्तर
True
संबंधित प्रश्न
Give the percentage of water in the following:
Rice and wheat grains
Give the percentage of water in the following:
Eggs
Give the importance of water in life processes
Complete the statement by filling in the blanks with the correct words.
Water is added to the atmosphere by _____________and _____________.
(burning of fossil fuels/condensation of vapour/ respiration by living organisms/photosynthesis)
Explain how water plays an important role in Agriculture.
Explain the meaning of the following term:
Saturated solution
Explain the meaning of the following term:
The gaseous state of water in the air
Name two gases which are insoluble in water.
Who is known as the waterman of India? Browse the net and find the details about the award, the waterman received for water management. State the findings by drafting a report.
Which of the following activity does not involve use of water?
