NTA Abhyas JEE Main2020ChemistryGeneral Principles and Processes of Isolation of MetalsPractice
In which of the following minerals, Al is present? 1 . Fluorspar 2 . Mica 3 . Feldspar 4 . Cryolite
Options
- A1, 2, 3
- B1, 2, 4
- C2, 3, 4
- D1, 2, 3, 4
Correct answer
C. 2, 3, 4
Step-by-step solution
Aluminium is not present in Fluorspar but present in all others. Cryolite: N a 3 A l F 6 Mica: K A l S i 3 O 10 ( O H ) 2 Feldspar: K A l S i 3 O 8 Fluorspar: C a F 2 .