Metallurgy

JEE Main Chemistry · 22 questions · not in the 2024+ syllabus

All questions, latest first

• Which one of the following is not an example of calcination?202315 April, Shift 1 · Q65
• Given below are two statements related to Ellingham diagram: Statement I: Ellingham diagrams can be constructed for formation of…202313 April, Shift 2 · Q65
• Which one of the following is most likely a mismatch?202313 April, Shift 1 · Q65
• Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion A: In the…202312 April, Shift 1 · Q66
• Given below are two statements: Statement I: In the metallurgy process, sulphide ore is converted to oxide before reduction.…202311 April, Shift 2 · Q65
• In the extraction process of copper, the product obtained after carrying out the reactions (i) 2 Cu_2 S+3 O_2 → 2 Cu_2 O+2 SO_2…202311 April, Shift 1 · Q65
• Gibbs energy vs T plot for the formation of oxides is given below. For the given diagram, the correct statement is -202310 April, Shift 2 · Q65
• Which of the following is used as a stabilizer during the concentration of sulphide ores?202310 April, Shift 1 · Q64
• In Hall - Heroult process, the following is used for reducing Al_2 O_3:-20238 April, Shift 2 · Q65
• Which of the following metals can be extracted through alkali leaching technique?20238 April, Shift 1 · Q65
• Among following compounds, the number of those present in copper matte is ____. A. CuCO_3 B. Cu_2 S C. Cu_2 O D. FeO20231 February, Shift 2 · Q58
• Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion A: In an Ellingham…20231 February, Shift 1 · Q35
• Which one of the following statements is incorrect?202331 January, Shift 2 · Q35
• The methods NOT involved in concentration of ore are A. Liquation B. Leaching C. Electrolysis D. Hydraulic washing E. Froth…202331 January, Shift 1 · Q35
• Given below are two statements: Statement I: During Electrolytic refining, the pure metal is made to act as anode and its impure…202330 January, Shift 2 · Q35
• In the extraction of copper, its sulphide ore is heated in a reverberatory furnace after mixing with silica to:202330 January, Shift 1 · Q34
• The major component of which of the following ore is sulphide based mineral?202329 January, Shift 2 · Q36
• The reaction representing the Mond process for metal refining is ____.202329 January, Shift 1 · Q35
• Given below are two statements: Statement I: In froth floatation method a rotating paddle agitates the mixture to drive air out…202325 January, Shift 2 · Q35
• Which one of the following reactions does not occur during extraction of copper?202325 January, Shift 1 · Q35
• The metal which is extracted by oxidation and subsequent reduction from its ore is:202324 January, Shift 2 · Q35
• Match List I with List II Choose the correct answer from the options given below:202324 January, Shift 1 · Q35