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What is thermit reaction? mention its application ?
Ref: https://edurev.in/question/502984/What-is-thermit-reaction-mention-its-application-

The thermite reaction is the reaction of metal oxide with the aluminium. The aluminium acts as a reducing agent and is highly exothermic and hence called a thermite reaction.

The aluminium reduces the oxide of another metal, most of the times, it is iron oxide (FeO) because aluminium is highly reactive. The reaction involved can be shown as:

Thermite reaction - Class 10

Fe 2 O 3 + 2Al → 2Fe + Al 2 O 3

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1. What is a thermite reaction?
Ans. A thermite reaction is a highly exothermic chemical reaction that occurs when a metal oxide reacts with a reducing agent, usually a metal. This reaction produces an intense amount of heat and can reach temperatures of over 2500 degrees Celsius.
2. How does a thermite reaction work?
Ans. In a thermite reaction, the metal oxide is reduced by the metal, resulting in the formation of elemental metal and oxygen gas. The reaction is highly exothermic because the reduction process releases a large amount of energy in the form of heat. The heat generated is enough to melt the metal and oxide mixture, leading to the production of molten metal.
3. What are the applications of thermite reactions?
Ans. Thermite reactions find various applications in industries and military applications. Some common uses include welding and cutting metals, incendiary devices, and pyrotechnics. The intense heat generated by a thermite reaction allows for efficient metal joining and cutting processes.
4. Is thermite reaction dangerous?
Ans. Thermite reactions can be dangerous due to the extreme temperatures they produce. The high heat can cause severe burns and ignite flammable materials in the surroundings. Additionally, the reaction can release toxic gases, such as metal fumes, which can be harmful if inhaled. Proper safety precautions and protective equipment must be used when working with thermite reactions.
5. Can thermite reactions be controlled?
Ans. Thermite reactions are highly exothermic and difficult to control once initiated. The reaction is self-sustaining and continues until all the reactants are consumed. To control a thermite reaction, it is essential to handle the reactants carefully, ensure proper containment, and have a suitable extinguishing agent, such as sand or a Class D fire extinguisher, readily available in case of emergencies.
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