Hamad Transition Elements 20/09/2020 A. SiO2 B. Fe2O3 C. FeO D. CaO MgO Related Mcqs: The oxidation number of central metal atom in [Ni(CO)4] is_________________?A. 0 B. 2 C. 4 D. 6... In pig iron the concentration of C-atom is ___________________?A. 0.12 — 0.25% B. 2.5 — 4.5% C. 2.0 — 4.0% D. 0.25 — 2.5%... Which is sold as fertilizer ___________________?A. CaSiO3 B. Na2SiO3 C. Ca3(PO4)2 D. MnSiO3... K2 (Cu(CN)4) which one is correct___________________?A. Potassium tetra cyano cupperate B. Co-ordination number is 2 C. Ligand is positively charged D. Central atom is present in avionic sphere... The location of transition elements is in between__________________?A. lanthanides & actinides B. s and p block elements C. chalcogens and halogens D. d and f block elements...
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