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Related Mcqs:
- The compound or complex ion which has a ring in its structure__________________?
- A. polydentate ligand B. chelate C. monodentate ligand D. hydrate...
- With impurities like P and S the open hearth furnace is lined with ?
- A. SiO2 B. Fe2O3 C. FeO D. CaO MgO...
- 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...
- In the production of wrought iron Mg Si and P are removed in the form of___________________?
- A. oxides B. silicates C. slag D. carbonates...
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