NCERT Intext Based MCQs General Principles and Processes of Isolation of Elements (OLD NCERT) Chemistry NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

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Intro - Flux, Leaching, Roasting & Calcination

Ellingham Diagram

Refining Process

Metallurgy of individual elements

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The ore/s that can be concentrated by the magnetic separation method is/are :
1. Haematite
2. Siderite
3. Iron pyrite
4. All of the above

Subtopic: Metallurgy of individual elements |

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At which conditions, Mg can reduce Al₂O₃ and Al can reduce MgO?
(Given : Elligham diagram)

1.	Above 1350°C, Mg can reduce Al₂O₃ and below1350°C, Al can reduce MgO
2.	Mg can reduce Al₂O₃ and Al can reduce MgO above 1350°C
3.	Mg can reduce Al₂O₃ and Al can reduce MgO below 1350°C
4.	Below 1350°C, Mg can reduce Al₂O₃ and above 1350°C, Al can reduce MgO

Subtopic: Ellingham Diagram |

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Select Chapter Topics:

Intro - Flux, Leaching, Roasting & Calcination

Ellingham Diagram

Refining Process

Metallurgy of individual elements

1(current)