Q46.The form of iron obtained from blast furnace is : (1) Cast Iron (2) Wrought Iron (3) Steel (4) Pig Iron
What This Question Tests
This question tests direct knowledge of the primary form of iron produced in a blast furnace, which is pig iron, a high-carbon iron.
Concepts Tested
๐ NCERT Sections This Tests
4.14 โ Describe The Preparation Of Potassium Dichromate From Iron Chromite Ore.
Chemistry Class 11 ยท Chapter 4
4.14 Describe the preparation of potassium dichromate from iron chromite ore. What is the effect of increasing pH on a solution of potassium dichromate?
13.2 โ Obtain The Binding Energy Of The Nuclei 5626Fe And 20983 Bi In Units Of
Physics Class 12 ยท Chapter 13
13.2 Obtain the binding energy of the nuclei 5626Fe and 20983 Bi in units of MeV from the following data: m ( 5626Fe ) = 55.934939 u m ( 20983 Bi ) = 208.980388 u
4.13 โ How Is The Variability In Oxidation States Of Transition Metals Different From
Chemistry Class 11 ยท Chapter 4
4.13 How is the variability in oxidation states of transition metals different from that of the non transition metals? Illustrate with examples.
๐ Question Details
- Chapter
- Metallurgy
- Topic
- Extraction of Iron
- Year
- 2014
- Shift
- 09 Apr Online
- Q Number
- Q46
- Type
- MCQ
- NCERT Ref
- Class 12 Chemistry Ch 6: General Principles and Processes of Isolation of Elements
More from this Chapter
Q62.Which of the following factors is of no significance for roasting sulphide ores to the oxides and not subjecting the sulphide ores to carbon reduction directly? JEE Main 2008 JEE Main Previous Year Paper (1) Metal sulphides are thermodynamically more (2) CO2 is thermodynamically more stable than CS2 stable than CS2 (3) Metal sulphides are less stable than the (4) CO2 is more volatile than CS2 corresponding oxides
Q41.Which of the oxide groups among the following cannot be reduced by carbon? (1) Cu2O, SnO2 (2) CaO, K2O (3) PbO, Fe2O4 (4) Fe2O3, ZnO
Q52.In the electrolysis of alumina to obtain aluminium metal, cryolite is added mainly to (1) lower the melting point of alumina (2) dissolve alumina in molten cryolite (3) remove the impurities of alumina (4) increase the electrical conductivity
Q52.Extraction of zinc from zinc blende is achieved by (1) roasting followed by self-reduction (2) electrolytic reduction (3) roasting followed by reduction with carbon (4) roasting followed by reduction with another metal