Thermite is a mixture of iron oxide and ___________.

aluminium powder

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zinc powder

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iron turnings

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copper turnings

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Solution

The correct option is A aluminium powder
Answer:- (A) Aluminium Powder
Thermite is the mixture of iron oxide $F e_{2} O_{3}$ (rust) and aluminum powder. When it is ignited the aluminum powder reacts with the $O_{3}$ part of the rust in a highly exothermic reaction, the resulting product is molten iron. Thermite is commonly used in welding because the molten iron has the ability to seep into cracks in metal.

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Which separation technique is used to separate iron powder from a mixture of iron and aluminium powder?

F e_{2} O_{3}

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