Discussion
Glass has bonds of :
Answer: B
Glass has Si-O bonds.
Ordinary glass is made mainly of silica (silicon dioxide) with sodium and calcium oxides. Its structure is a disordered network of \(\mathrm{SiO_{4}}\) tetrahedra joined through shared oxygen atoms, so the framework is held together by silicon-oxygen bonds.
Carbon-oxygen bonds belong to organic compounds and carbonates, and germanium or tin oxides are not the basis of common glass.
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