What will be the product formation when Metallic niobium and silica, SiO2 are heated under vacuum at 1100^oC?
(a) Nb5Si3
(b) Nb3Si5
(c) Nb2Si3
(d) No product
I have been asked this question by my college professor while I was bunking the class.
I want to ask this question from Crystallization of Solutions, Melts, Glasses and Gels in section Preparative Methods of Solid State Chemistry