compare the behaviour of solid and liquid like salt and oil with water
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A solvent is something capable of dissolving another substance. We call the substance (i.e. salt) that is dissolved in a solvent (i.e. water) the solute.
The same properties that make water cohesive and adhesive also make it a good solvent. However, water is not the only substance that is cohesive or adhesive. Remember that other molecules that have hydrogen covalently bonded to Fluorine (F), Oxygen (O), or Nitrogen (N) can also form hydrogen bonds.
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The same properties that make water cohesive and adhesive also make it a good solvent. However, water is not the only substance that is cohesive or adhesive. Remember that other molecules that have hydrogen covalently bonded to Fluorine (F), Oxygen (O), or Nitrogen (N) can also form hydrogen bonds.
The two characteristics are suitable atmospheric pressure and temperature. If the pressure is too low the water will boil of straight away.
Water behaves differently from most other chemical compounds. In almost all substances the atoms and molecules move closer together as they get colder. They then solidify. Water, however, attains its greatest density at four degrees Celsius because the water molecules are packed closest together at this temperature.
The two characteristics are suitable atmospheric pressure and temperature. If the pressure is too low the water will boil of straight away.
Water behaves differently from most other chemical compounds. In almost all substances the atoms and molecules move closer together as they get colder. They then solidify. Water, however, attains its greatest density at four degrees Celsius because the water molecules are packed closest together at this temperature.
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