How many statements are correct?1.Prismatic borax has 10 water molecules2.Borazine undergoes hydrolysis at very high T and gives ammonia and boric acid3.Pyrosilicates contains two units of SiO4-44.SnS is soluble in yellow ammonium sulphide and its basic in nature5. Red lead is Pb3O46. Nitrogen di oxide is a mixed anhydride.7. As per VSEPR the shape of NO2+ is Linear.8.If the difference in Electronegativity is 1.9, then the compound is equally ionic and covalent.