Pig iron is produced by blast furnaces in India using mostly the iron ore named _______________?

Related Mcqs:

1. Which is the main reducing agent during production of iron from iron ore in a blast furnace ?

   A. C
   B. CO
   C. CO2
   D. H2

2. ______________ is used as a flux in the extraction of iron from iron ore (haematite) in blast furnace?

   A. Bauxite
   B. Limestone
   C. Quartz
   D. Manganese

3. Ore concentration by froth floatation utilises the ______________ of ore particles ?

   A. Density difference
   B. Wetting characteristics
   C. Terminal velocities
   D. None of these

4. Which of the following is an ore of iron ?

   A. Galena
   B. Chalcopyrite
   C. Hematite
   D. Bauxite

5. Iron ore hematite is concentrated using ____________________?

   A. Electromagnetic separation mainly
   B. Gravity separation
   C. Froth floatation
   D. Roasting

6. _______________ is used as a flux in the smelting of copper ore like chalcopyrite ?

   A. Coke breeze
   B. Lime powder
   C. Silica/quartz
   D. Dolomite

7. ___________________ iron is the purest form of iron?

   A. Cast
   B. Wrought
   C. Pig
   D. High silicon

8. DDT should not be allowed to come in contact with iron (during its manufacture) to _______________?

   A. Avoid its decomposition
   B. Prevent sulphonation of the monochlorobenzene by the acid catalyst
   C. Achieve non-hygroscopic property
   D. None of these

9. ______________ is an ore of lead?

   A. Quartz
   B. Galena
   C. Siderite
   D. Chalcopyrite

10. ______________ is an ore concentrating metallurgical process involving a chemical change?

    A. Electromagnetic separation
    B. Froth floatation
    C. Roasting
    D. None of these