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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:
Eggs
Write True or False for the following statement.
Tap water does not contain dissolved impurities.
Give the importance of water in household purpose
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)
State whether the following statement is true or false. If false, write the correct statement.
On boiling water exists in the liquid state.
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 ______.
The human body requires ______ liters of water per day for proper functioning.
