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MnO₂ + 4HCl → MnCl₂ + 2H₂O + Cl₂ The reaction given above is a redox reaction because in this case :
Which of the following is a redox reaction, but not a combination reaction ?
A metal is used in thermit process. When this metal is heated with the oxide of a less reactive metal, the oxide formed is amphoteric in nature. The metal and the oxide formed are :
A metal 'X' is used in thermit process. When 'X' is heated with oxygen, it gives an oxide 'Y', which is amphoteric in nature. 'X' and 'Y' respectively are :
A metal is used in thermit process. When its powder is heated with oxide of the metal to be extracted, it gives an oxide which is amphoteric in nature. The metal and its oxide respectively are :
Name the chemical reaction that occurs between iron (III) oxide and aluminium metal. Write its balanced chemical equation. Why is this reaction called displacement reaction ? Give one use of this reaction.
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