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Zn+CuSO4=-------------- Fe2O3+Al=------------
Zn+ CuSo4 gives Zinc Sulphate + copper which is a metal. Zinc is more reactive than copper.

The thermite reaction, a mixture of aluminum powder and iron(III) oxide is known as an aluminothermic reaction, that is, an incendiary mixture of aluminum with another metal such as zirconium, magnesium, titanium, or depleted uranium, which burns at very high temperatures around 2000° to about 3000°C. Such aluminothermic reactions can be explosive and have been used in warfare in incendiary bombs.
The Thermite process was developed by Hans Goldschmidt in 1893.

Fe2O3 + 2 Al ? Al2O3 + 2 Fe


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