In the production of wrought iron Mg Si and P are removed in the form of___________________?

Related Mcqs:

1. Carbon in wrought iron is present as_________?

   A. Silicon carbide B. Iron carbide C. Graphite D. Partly as iron carbide and partly as graphite Submitted by: Muhammad Ali Kunbhar...

2. 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...

3. The percentage of suspended solid waste in raw water is removed by coagulation is__________________?

   A. 60 B. 70 C. 80 D. 90...

4. Water of crystallization can be removed by________________?

   A. drying B. heating C. evaporation D. All of the above...

5. Arsenic oxides are removed by passing through_________________?

   A. Ferric hydroxide B. Sodium hydroxide C. Calcium hydroxide D. Aluminium hydroxide...

6. When one hydrogen atom of alkane is removed then it is called________________?

   A. alkene B. alkyl C. aldehyde D. saturated hydrocarbon...

7. The phosphate present in sewage water which cause eutrophication Can be removed by adding:

   A. Alum B. Chlorine C. Lime D. permangnate Submitted by: Said wali shah...

8. 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%...

9. The coloured glassy mass in borax bead test is due to the formation of___________________?

   A. metal borate B. metal meta borate C. metal boride D. metal silicate...

10. Tincal is a mineral of___________________?

    A. A1 B. Si C. B D. C...