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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
Arrange the following:
CaH2, BeH2 and TiH2 in order of increasing electrical conductance.
Why is it said that-
Water is a universal solvent.
Explain the picture in your own words.
Why should a glass bottle completely filled with water never be kept in a freezer?
Define the following.
Boiling point
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.
Why does water show high boiling point as compared to hydrogen sulphide? Give reasons for your answer.
How will you account for 104.5° bond angle in water?
Freezing of water will cause an ______ is the volume.
What are the physical properties of pure water?
