Home
Earn $100 Online Daily. Work From Home. Click Here

What is the correct answer?

4

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

A. Hematite

B. Magnetite

C. Siderite

D. Chalcopyrite

Related Questions

A 'unit process' is exemplified by the In the manufacture of H2SO4, vanadium catalyst as compared to platinum… Litharge is Cumene is the starting material for the production of Commercial scale production of hydrogen from iron-steam reaction represented… Trinitro-toluene (TNT) is Bleaching action of bleaching powder is due to its __________ properties. Brackish water which contains mostly dissolved salt, can be purified by… Use of water having dissolved oxygen in boilers promotes Styrene butadiene rubber (SBR) is Poly Tetrafluoroethylene (P.T.F.E.) is known as Pick out the wrong statement. Celluloid is chemically Concentration of sulphide ores is done usually by Oxygen is produced by fractionation of air using __________ process. Raw material used in alcohol distilleries in India is Viscosity index improver (like polystyrene or polyisobutylene) is added… SO2 is bubbled through hot sugar cane juice to Cation exchanger is regenerated usually with Tall oil obtained as a by-product from the black liquor recovery is Fire clay is __________ refractory material. Which glass is usually used in optical work? RDX (an explosive), which is more sensitive but less toxic than TNT, is… Na2CO3.10H2O is called Sulphuric acid is mainly used in the __________ industry. Bleaching of paper pulp is done with In an integrated steel plant, NH3 present in coke oven gas is normally… Sodium bisulphite is used for __________ water. High acid value of an oil or fat is an indication of Percentage of uranium in Carnotite ore found in Jadugoda (Jharkhand) is…