In thermite welding a mixture of …… and …… is ignited with a burning magnesium ribbon which produces molten iron metal as large amount of heat is evolved.
A. iron (III) oxide and aluminium powder
B. iron (II) oxide and aluminium powder
C. iron (III) chloride and aluminium powder
D. iron (III) sulphate and aluminium powder
Answer:A
In thermite welding a mixture of …… and …… is ignited with a burning magnesium ribbon which produces molten iron metal as large amount of heat is evolved.
A. iron (III) oxide and aluminium powder B. iron (II) oxide and aluminium powder C. iron (III) chloride and aluminium powder D. iron (III) sulphate and aluminium powder