Question : The manufacture of iron from iron ore involves the process of
Option 1: Oxidation
Option 2: Reduction
Option 3: Fractinal distilltion
Option 4: Electrolysis
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Correct Answer: Reduction
Solution : The correct answer is reduction.
Naturally iron ore exists in the form of metal oxides i.e Fe2O3. Iron is extracted from it through heating with carbon and limestone in blast furnace. It involves reducing the metal oxide into the pure metal and carbon dioxide gas is released as a byproduct. The process of extraction of pure metal from the ore is known as metallurgy.
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Question : Bailadila range of hills is famous for which of the following minerals?
Option 1: Iron ore
Option 2: Zinc
Option 3: Bauxite
Option 4: Manganese
Question : Panchpatmali deposits in Koraput district are the deposits of which of the following minerals?
Option 2: Copper
Option 3: Manganese
Option 4: Bauxite
Question : Which one of the following is the purest commercial form of iron?
Option 1: Pig iron
Option 2: Steel
Option 3: Stainless steel
Option 4: Wrought iron
Question : In which of the following regions in India are there high-grade iron ore deposits?
Option 1: Western Rajasthan
Option 2: Southern Punjab
Option 3: Eastern Uttar Pradesh
Option 4: Northern Odisha
Question : Directions: Arrange the following words as per their order in a dictionary. 1. Electrolysis 2. Electrotyping 3. Electrician 4. Electroplating 5. Electrification
Option 1: 3, 5, 4, 1, 2
Option 2: 5, 3, 2, 4, 1
Option 3: 3, 5, 1, 4, 2
Option 4: 5, 3, 1, 4, 2
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