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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.
पर्याय
True
False
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उत्तर
True
संबंधित प्रश्न
Give the importance of water in life processes
Complete the statement by filling in the blanks with the correct words.
Water generates ______in hydroelectric power stations and ________in boilers for industrial applications.
(carbon dioxide/steam/heat/electricity)
State whether the following statement is true or false. If false, write the correct statement.
On boiling water exists in the liquid state.
State whether the following statement is true or false. If false, write the correct statement.
Sodium carbonate and sodium sulphate do not form an aqueous solution.
Explain the meaning of the following term:
Saturated solution
Name the following
The natural process by which circulation of water takes place from the earth’s surface to the atmosphere and back to the earth’s surface.
Name two gases which are insoluble in water.
Using R.O. (Reverse Osmosis) plant at home eliminates lot of non-potable water. The best way to effectively use the expelled water of R.O. plant is ______.
Analogy
Ground water : ______ :: Surface-water : lakes
The quantity of water required to produce one page of your book is ______.
