When the solid was frozen. e.g Water + ice = water.
the only liquid is water all other are aquious solutions and to find out wich you write a balanced equations
evaporation
The boiling point of an element or a substance is the temperature at which the http://wiki.answers.com/wiki/Vapor_pressure of the liquid equals the environmental pressure surrounding the liquid.if we...
because all liquids come out at diffrents speeds this is called viscosity