On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because?
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density of mercury is higher than water.
shanju:
i answered ur question say thank u.....=)
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It is surface tension. It is the property of the free surface of a liquid due to which the surface always tries to contract similar to that of a stretched piece of rubber. Due to this property liquids always form drops. Surface tension of mercury is higher than that of water, so on a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical.
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