Metallurgy — JEE Main PYQs & Practice Questions

Metallurgy is a Chemistry chapter in the JEE Main syllabus. This page brings together 84 previous-year and practice questions on Metallurgy, organised into 5 topics: Minerals and Ores, Concentration of Ores, Reduction Methods, Refining Methods and Extraction of Fe, Cu, Zn, Al. Most questions come with a step-by-step solution you can work through free in PrepWiser.

Download Metallurgy JEE Main PYQs as a free PDF (with answer key)

Chapter weightage: how many questions each chapter had per shift in the 2024–26 papers.

Minerals and Ores

• Match List - I with List - II. List - I | List - II; (a) | Siderite | (i) | Cu; (b) |…
• Match List I with List II. List-I Ore | List-II Composition; (A) | Siderite | (I) |…
• The major component of which of the following ore is sulphide based mineral?
• (a) Baryte, (b) Galena, (c) Zinc blende and (d) Copper pyrites. How many of these…
• Match List-I with List-II : List - I (Name of ore/mineral) | List - II (Chemical…
• Match List - I with List - II : List - I | List -II; (A) | Sphalerite | (I) | FeCO₃; (B)…
• Identify the incorrect pair from the following :
• Calamine and Malachite, respectively, are the ores of :
• In metallurgy the term "gangue" is used for :
• Among the following ores Bauxite, Siderite, Cuprite, Calamine, Haematite, Kaolinite…
• Match List - I with List - II : List - I | List - II; (a) | Haematite | (i) | Al₂O₃…
• Given below are two statements : Statement I : Sphalerite is a sulphide or of zinc and…
• Math List - I with List - II. List I (Metal) | List II (Ores); (a) | Aluminium | (i) |…
• Match List - I with List - II. List - I (Ore) | List - II (Element Present); (a) |…

Concentration of Ores

• Given below are two statements : Statement I : In froth floatation method of rotating…
• Which of the following ore is concentrated using group 1 cyanide salt ?
• Which one of the following is not an example of calcination?
• The methods NOT involved in concentration of ore are A. Liquation B. Leaching C…
• Statement I : Leaching of gold with cyanide ion in absence of air / O₂ leads to cyano…
• Sulphide ion is soft base and its ores are common for metals. (a) Pb (b) Al (c) Ag (d) Mg
• Which of the reaction is suitable for concentrating ore by leaching process ?
• The process that involves the removal of sulphur from the ores is :
• Match List-I with List-II List - I | List - II; (A) | Concentration of gold ore | (I) |…
• In the leaching of alumina from bauxite, the ore expected to leach out in the process by…
• The role of depressants in 'Froth Flotation method' is to
• In isolation of which one of the following metals from their ores, the use of cyanide…
• Consider two chemical reactions (A) and (B) that take place during metallurgical…
• Which of the following is used as a stabilizer during the concentration of sulphide ores?

Reduction Methods

• According to the following diagram, A reduces BO₂ when the temperature is :
• Given below are two statements: one is labelled as Assertion A and the other is labelled…
• Gibbs energy vs T plot for the formation of oxides is given below. For the given…
• The statement is incorrect about Ellingham diagram is
• Ellingham diagram is a graphical representation of :
• Match List I with List II : (Both having metallurgical terms) List - I | List - II; (a)…
• In the above reaction, the reagent ''A'' is :
• An Ellingham diagram provides information about :
• Given below are two statements : Statement I : According to Ellingham diagram, any metal…
• Given below are two statements related to Ellingham diagram: Statement I : Ellingham…
• Given below are two statements : Statement I : In the metallurgy process, sulphide ore…
• Which of the following reduction reaction CANNOT be carried out with coke?
• Given are two statements one is labelled as Assertion A and other is labelled as Reason…
• Given below are two statements : Statement I : The choice of reducing agents for metals…
• Among statements (a) - (d), the correct ones are (a) Lime stone is decomposed to CaO…
• The metal which is extracted by oxidation and subsequent reduction from its ore is :
• Given below are two statements: one is labelled as Assertion A and the other is labelled…

Refining Methods

• The method used for the purification of Indium is :
• Given below are two statements. Statement I : During electrolytic refining, blister…
• Which refining process is generally used in the purification of low melting metals?
• Match List - I with List - II : List - I | List - II; (a) | Mercury | (i) | Vapour phase…
• In liquation process used for tin (Sn), the metal :
• Which one of the following is most likely a mismatch ?
• In the electrolytic refining of blister copper, the total number of main impurities…
• Which one of the following statements is incorrect?
• The purest from of commercial iron is :
• The refining method used when the metal and the impurities have low and high melting…
• The element that can be refined by distillation is :
• Which of the following methods are not used to refine any metal? A. Liquation B…
• The metal that can be purified economically by fractional distillation method is :
• The reaction representing the Mond process for metal refining is _________.
• Boron and silicon of very high purity can be obtained through :
• Match List - I with List - II. List - I | List - II; (a) | Sodium Carbonate | (i) |…
• Refining using liquation method is the most suitable for metals with :

Extraction of Fe, Cu, Zn, Al

• In the extraction process of copper, the product obtained after carrying out the…
• Cast iron is used for the manufacture of :
• The addition of silica during the extraction of copper from its sulphide ore :-
• The chemical that is added to reduce the melting point of the reaction mixture during…
• Al₂O₃ was leached with alkali to get X. The solution of X on passing of gas Y, forms Z…
• Leaching of gold with dilute aqueous solution of NaCN in presence of oxygen gives…
• In Hall - Heroult process, the following is used for reducing Al₂ O₃ :-
• Which of the following metals can be extracted through alkali leaching technique?
• Which of the following chemical reactions represents Hall-Heroult Process?
• The compound(s) that is (are) removed as slag during the extraction of copper is : (A)…
• Match List - I with List - II : List - I Industrial process | List - II Application; (a)…
• Among the reactions (a) - (d), the reaction(s) that does/do not occur in the blast…
• Given below are two statements : one is labelled as Assertion (A) and the other is…
• Among following compounds, the number of those present in copper matte is ___________…
• The metal that is not extracted from its sulfide ore is :
• Given below are two statements. Statement I : Pig iron is obtained by heating cast iron…
• The major components in "Gun Metal” are :
• Which one of the following reactions does not occur during extraction of copper?
• In the metallurgical extraction of copper, following reaction is used : FeO + SiO₂ →…
• In the extraction of copper, its sulphide ore is heated in a reverberatory furnace after…

More Chemistry chapters

• Mole Concept & Stoichiometry
• Atomic Structure
• Gaseous State
• Chemical Thermodynamics
• Chemical Equilibrium
• Ionic Equilibrium
• Redox Reactions
• Solutions & Colligative Properties
• Electrochemistry
• Chemical Kinetics
• Solid State
• Surface Chemistry
• Nuclear & Radiochemistry
• Periodic Table & Periodicity
• Chemical Bonding & Molecular Structure
• Hydrogen & s-Block Elements
• p-Block Elements — Part I (Group 13 & 14)
• Environmental Chemistry
• p-Block Elements — Part II (Group 15-18)
• d & f Block Elements
• Coordination Compounds
• Qualitative Analysis — Salt Analysis
• Purification & Characterisation of Organic Compounds
• General Organic Chemistry (GOC)
• Hydrocarbons — Alkanes
• Hydrocarbons — Alkenes & Alkynes
• Hydrocarbons — Aromatic (Arenes)
• Halogen Derivatives — Haloalkanes & Haloarenes
• Alcohols, Phenols & Ethers
• Aldehydes & Ketones
• Carboxylic Acids & Their Derivatives
• Amines & Diazonium Salts
• Carbohydrates & Biomolecules
• Polymers
• Chemistry in Everyday Life
• Practical Organic Chemistry

Frequently asked questions

How many Metallurgy questions are there for JEE Main?

PrepWiser has 84 Metallurgy questions for JEE Main, grouped into 5 topics such as Minerals and Ores, Concentration of Ores and Reduction Methods.

Are these Metallurgy questions from previous-year JEE Main papers?

Yes — most are genuine previous-year questions from past JEE Main papers, and the rest are practice questions written to match the JEE Main pattern and difficulty.

Where can I see the answers and solutions to these Metallurgy questions?

Open any Metallurgy question in PrepWiser (it is free) to attempt it; most come with a step-by-step solution.