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Simra Choudhary Grade: 10

Physical Properties of Water:

8 years ago

Answers : (1)

askIITIians Expert
21 Points

Physical Properties of Water:

It is colorless and tasteless liquid

The unusual properties of water in the condensed phase are due to the presence of extensive hydrogen bonding between water molecules.

This leads to high freezing point, high boiling point, high heat of vaporization and high heat of fusion in comparison to H2S and H2Se. In comparison to other liquids, water has a higher specific heat, thermal conductivity, surface tension, dipole moment and dielectric constant, etc.

These properties allow water to play a key role in the biosphere.

The high heat of vaporization and heat capacity are responsible for moderation of the climate and body temperature of living beings.

It is an excellent solvent for transportation of ions and molecules required for plant and animal metabolism. Due to hydrogen bonding with polar molecules, even covalent compounds like alcohol and carbohydrates dissolve in water.

8 years ago
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