[Answer] Which type of reaction is Al + O2 -> Al2O3?

Answer: Double replacement
Which type of reaction is Al + O2 -> Al2O3?

Aluminium oxide is a chemical compound of aluminium and oxygen with the chemical formula Al2O3. It is the most commonly occurring of several aluminium oxides and specifically identified as aluminium(III) oxide. It is commonly called alumina and may also be called aloxide aloxite or alundum depending on particular forms or applications. It occurs naturally in its crystalline polymorphic phase α-Al2O…

Aluminium oxide is a chemical compound of aluminium and oxygen with the chemical formula Al2O3. It is the most commonly occurring of several aluminium oxides and specifically identified as aluminium(III) oxide. It is commonly called alumina and may also be called aloxide aloxite or alundum depending on particular forms or applications. It occurs naturally in its crystalline polymorphic phase α-Al2O3 as the mineral corundum varieties of which form the precious gemstones ruby and sapphire. Al2O3 is significant in its use to produce aluminium metal as an abrasive owing to its hardness and as a refractory material owing to its high melting point.

Corundum is the most common naturally occurring crystalline form of aluminium oxide. Rubies and sapphires are gem-quality forms of corundum which owe their characteristic colors to trace impurities. Rubies are given their characteristic deep red color and their laser qualities by traces of chromium . Sapphires come in different colors given by various other impurities such as iron and titanium…

Corundum is the most common naturally occurring crystalline form of aluminium oxide. Rubies and sapphires are gem-quality forms of corundum which owe their characteristic colors to trace impurities. Rubies are given their characteristic deep red color and their laser qualities by traces of chromium . Sapphires come in different colors given by various other impurities such as iron and titanium. An extremely rare δ form occurs as the mineral deltalumite.

Aluminium–air batteries ( Al –air batteries) produce electricity from the reaction of oxygen in the air with aluminium.They have one of the highest energy densities of all batteries but they are not widely used because of problems with high anode cost and byproduct removal when using traditional electrolytes. This has restricted their use to mainly military applications.

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Thu Feb 03 2005 13:30:00 GMT-0500 (Eastern Standard Time) · A single-displacement reaction also known as single replacement reaction or exchange reaction is a chemical reaction in which one element is replaced by another in a compound.. It can be represented generically as: + + where and are different metals (or any element that forms cation like hydrogen) and is…

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