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प्रश्न
Give reasons: Ice floats on water.
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उत्तर
Density of ice is less than that of water that is why it floats on the surface of water.
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संबंधित प्रश्न
Describe the usefulness of water in biosphere and biological systems.
What properties of water make it useful as a solvent? What types of compound can it (i) dissolve, and (ii) hydrolyse?
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Water is a universal solvent.
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There is no alternative to water for cleaning purposes.
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State whether the following statement is true or false.
The substance in which a solute dissolves is called a solvent.
Explain the picture in your own words.

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The boiling point of water increases with ______ in pressure.
Pure water boils at ______ °C at one atmospheric pressure.
One gram of water requires ______ of heat to raise its temperature by l°C.
What are the physical properties of pure water?
Which of the following ion is responsible for the temporary hardness of water?
The water having more dissolved O2 is ______.
