7 Physical Properties Of Water


Water as we all know is a clear, transparent almost colourless liquid with an insipid taste. Water turns white anhydrous copper(II) tetraoxosulphate(VI) (copper sulphate) to blue. The blue colour shows the presence of water. That is the most common way people use to test for the presence of water.



The following are the physical properties of water:
1. Water Freezes at 0°C (at standard atmospheric pressure of 760 mmHg(stp))
2. Water boils at 100°C at standard atmospheric pressure.
3. Water has a maximum density of 1 gcm-3 at 4°C (277.15 K)
4. Water is really neutral to litmus
5. Water is a poor conductor of electricity (but becomes a good conductor when a small amount of ionic compound is dissolved in it)
6. Water expands between 4°C and 0°C and contracts (becomes less in volume) when melting from 0°C to 4°C. As a consequence, solid water (ice) floats on liquid water, which is an unusual property of water
7. Water has a high surface tension; that is, it appears to form a strong skin on its surface. 

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