Complex sentence: Aqueous zinc chloride reacts with zinc oxide to form an amorphous cement which was first investigated in the 1855 by Sorel, who later he went on to investigate the related magnesium oxychloride cement which bears his name.
Split into simpler sentences: Aqueous zinc chloride reacts with zinc oxide to form an amorphous cement which was first investigated in the 1855 by Sorel. Sorel later went on to investigate the related magnesium oxychloride cement which bears his name.