Q38 / 76 · NTA Abhyas (JEE Main) 2020 · Chemistry · General Principles and Processes of Isolation of Metals

In which of the following minerals, Al is present?
1. Fluorspar
2. Mica
3. Feldspar
4. Cryolite

  • A
    1, 2, 3
  • B
    1, 2, 4
  • Correct answer
    C
    2, 3, 4
  • D
    1, 2, 3, 4

Solution

Aluminium is not present in Fluorspar but present in all others.
Cryolite: Na3AlF6
Mica: KAlSi3O10(OH)2
Feldspar: KAlSi3O8
Fluorspar: CaF2 .

Hence, the correct answer is option: 'C'.

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