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General Principles and Processes of Isolation of Elements — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistryGeneral Principles and Processes of Isolation of Elements1 Mark
MCQ
The composition of thermite mixture is:
  • A
    Iron (III) oxide and aluminium powder in the ratio $1 : 3.$
  • ✓
    Aluminium powder and iron $(\text{III})$ oxide in the ration $1 : 3.$
  • C
    Aluminium powder and barium peroxide in the ratio $1 : 3.$
  • D
    Barium peroxide and aluminium in the ratio $1 : 3.$
✓

Answer

Correct option: B.
Aluminium powder and iron $(\text{III})$ oxide in the ration $1 : 3.$
Thermite mixture is $1 : 3$ ratio of $Al$ powder and ferric oxide.

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