Physics
Curie point is the temperature at which

A metal loses magnetic properties.
Transmutation of metal occurs.
A metal loses conductivity
Matter becomes radioactive

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Physics
On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because:

density of mercury is greater than that of water.
cohesion of water is greater than its adhesion with glass.
cohesion of mercury is greater than its adhesion with glass.
mercury is a metal.

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