The formula of the disilicate anion is:
List IList IIA. Bi3+⟶(BiO)+p. HeatB. [AlO2]−⟶Al(OH)3q. HydrolysisC. SiO4−4⟶Si2O6−7r. AcidificationD. (B4O2−7)⟶B(OH)3s. dilution by water