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NTA Abhyas 2020
Exam
NTA Abhyas
Year
2020
Subject
Chemistry
Chapter
General Principles and Processes of Isolation of Metals

NTA Abhyas 2020 · Chemistry · General Principles and Processes of Isolation of Metals

The substance used in the thermite process of reducing metal ores is

The substance used in the thermite process of reducing metal ores is

Options

  1. AAluminium
  2. BThorium
  3. CHeated Pt gauge
  4. DCarbon

Correct answer

A. Aluminium

Step-by-step solution

A mixture of AlAl powder and metallic oxide (Cr2O3,Mn3O4etc)( {Cr}_{2}{O}_{3}, {Mn}_{3}{O}_{4}etc ) is called thermite.
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