Process for producing a glass plate and the glass plate

The glass plate of the present invention was formed by a float method of molding a molten glass material in a plate shape on the molten metal, which is less glass plate thickness 1.6 mm. In the glass plate, the surface that was in contact with the molten metal and the first surface during molding, when the surface opposite the first surface and a second surface, at least on the first surface, densified dealkalized process of forming the layer is applied. 50 ° C., the etching rate of the etching rate of the first surface