The reaction that does NOT take place in a blast furnace between 900 K to 1500 K temperature range during extraction of iron is :
Transition elements: configuration, occurrence and characteristics
Every question from past board papers on Transition elements: configuration, occurrence and characteristics, newest paper first. Open any question for its full worked answer.
NEET UG 2023 question paper (official, booklet G6)
Full paper →NEET UG 2022 question paper (official, booklet R6)
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Match List - I with List - II.
List - I (Ores): (a) Haematite (b) Magnetite (c) Calamine (d) Kaolinite
List - II (Composition): (i) \(Fe_3O_4\) (ii) \(ZnCO_3\) (iii) \(Fe_2O_3\) (iv) \([Al_2(OH)_4Si_2O_5]\)
Choose the correct answer from the options given below :
NEET UG 2021 question paper (official, booklet M4)
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Which one of the following methods can be used to obtain highly pure metal which is liquid at room temperature ?
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The maximum temperature that can be achieved in blast furnace is :
NEET UG 2020 question paper (official, booklet E1)
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Identify the correct statement from the following :
NEET UG 2019 question paper (official, booklet P1)
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Which one is malachite from the following ?
NEET UG 2017 question paper (official, booklet B)
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Extraction of gold and silver involves leaching with \(CN^-\) ion. Silver is later recovered by :
NEET UG 2016 Phase 1 question paper (official, booklet A)
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Match items of Column I with the items of Column II and assign the correct code :
Column I: (a) Cyanide process; (b) Froth floatation process; (c) Electrolytic reduction; (d) Zone refining
Column II: (i) Ultrapure Ge; (ii) Dressing of ZnS; (iii) Extraction of Al; (iv) Extraction of Au; (v) Purification of Ni
Code: (a) (b) (c) (d)