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प्रश्न
Define the following.
Freezing point
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उत्तर
The temperature at which a liquid turns into solid when cooled is known as the freezing point. The freezing point of water is 0°C.
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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?
State whether the following statement is true or false.
The substance in which a solute dissolves is called a solvent.
Why is the density of seawater more than that of rain water?
Some of the properties of water are described below. Which of them is/are not correct?
(i) Water is known to be a universal solvent.
(ii) Hydrogen bonding is present to a large extent in liquid water.
(iii) There is no hydrogen bonding in the frozen state of water.
(iv) Frozen water is heavier than liquid water.
Give reasons: Ice floats on water.
How will you account for 104.5° bond angle in water?
______ has the highest latent heat of fusion.
What are the physical properties of pure water?
Which of the following ion is responsible for the temporary hardness of water?
