A burning magnesium ribbon is used in thermite welding to ignite a mixture if ...... and ...…, creating molten iron metal as a significant quantity of heat is released.

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iron (II) oxide and aluminium powder

iron (III) sulphate and aluminium powder

iron (III) oxide and aluminium powder

iron (III) chloride and aluminium powder

answer is A.

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Detailed Solution

A burning magnesium ribbon is used in thermite welding to ignite a mixture if iron(III) oxide and aluminium powder, creating molten iron metal as a significant quantity of heat is released.

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