Hamad Group III A and IVA Elements 15/08/2021 A. H2SnO3 B. H2SiO3 C. H3AsO4 D. H3SbO4 Related Mcqs: Aluminium oxide is_________________?A. Acidic oxide B. Basic oxide C. Amphoteric oxide D. It does not exists... In network of silica (SiO2) each silicon atom is surrounded by _____________ atoms of osygen?A. 4 B. 2 C. 1 D. 6... Orthoboric acid is 2.6% soluble in water at 40?C and ___________at 107°C.A. 26% B. 27% C. 37% D. <2.6%... The process of aluminium extraction is called__________________?A. Hall process B. Thermite process C. Haber process D. Contact process... CO2 is gas while SiO2 is solid at room temperature?A. carbon is non-metal while silicon is semi-metal B. CO2 is an independent molecule while SiO2 has network covalent structure C. CO2 forms multiple bond while silicon does not form multiple bonds D. Silicon has all sigma bonds...
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