In pig iron the concentration of C-atom is ___________________?

Related Mcqs:

1. A sample of an iron and oxygen ore has a mass of 35.8 grams. The iron in the compound has a mass of 27.9 grams. What is the percent iron in the ore?

   A. 74% Fe B. 75% Fe C. 77% Fe D. 78% Fe Submitted by: Muhammad Ali Kunbhar...

2. The oxidation number of central metal atom in [Ni(CO)4] is_________________?

   A. 0 B. 2 C. 4 D. 6...

3. The specie which donates electrons to central metal atom in coordination sphere is called____________________?

   A. anion B. cation C. Ligand is positively charged D. acid...

4. The central atom along with ligands is called____________________?

   A. complex ion B. coordination sphere C. ligand D. complex compound...

5. When the central atom of coordination compound is sp3d2 hybridization the expected geometry will be___________________?

   A. tetrahedral B. square planar C. trigonal bipyramidal D. octahedral...

6. Diameter of an atom is in the order of________________?

   A. 0.2m B. 0.2mm C. 0.2nm D. 0.2pm...

7. 2nd orbit is ___________ away from nucleus of H-atom as compared to 1st orbit is ?

   A. 2-times B. 3-times C. 4-times D. 6 times...

8. In O2 each oxygen atom is hybridized_________________?

   A. sp3 B. sp2 C. sp D. All...

9. nergy of atom in compound is___________________?

   EA. Higher than individual B. Lesser than individual C. No change D. Impossible to predict...

10. Electronic Configuration of Calcium (Ca) atom may be written as________?

    A. Ne, 4p2 B. Ar, 4s2 C. Ne, 4s2 D. Kr,4p2 Submitted by: Muhammad Ali Kunbhar...