Answer
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Hint: We have to remember that the high-temperature exothermic chemical reaction is known as combustion. And this reaction is taking place between the fuel and an oxidant and there is a formation of oxidized gaseous products. Mainly, three things required for combustion are fuel, oxygen, and heat. The fuel is used to burn, the air is supplied through the oxygen and the heat is used to continue the combustion process.
Complete answer:
We also remember that the combustion is not a physical process. Because, in combustion the oxygen is reacted with the substance and there is a formation of heat will take place. And the fuel is used as hydrocarbon which reacts with the oxygen and a chemical reaction occurs. No other physical process occurs in the combustion process. Hence, the option (A) is incorrect.
Combustion is a high-temperature exothermic chemical reaction. Hence, combustion is a chemical process. Because, here the substance is rapidly reacting with oxygen and there is a formation of heat. And this reaction is taking place between the fuel and an oxidant.
In a combustion reaction, there is a reaction between a fuel, that is hydrocarbon and oxygen will take place. By the reaction of oxygen and fuel, which produces heat and light energy which results in flame. And the reaction of combustion can be written as,
\[Hydrocarbon + Oxygen \to Heatenergy\]
The combustion reaction of methanol can be written as,
\[2C{H_3}OH + 3{O_2} \to 4{H_2}O + 2C{O_2}\]
Here, methanol is reacted with oxygen and there is a formation of water and carbon dioxide.
Hence, the option (B) is correct.
Combustion reaction is not a biological process. Because, it does not take place in any biological reaction. Hence, the option (C) is incorrect.
Combustion reaction is not a mechanical process. Because, the reaction takes place by a chemical process and no other mechanical process in that reaction. Hence, the option (D) is incorrect.
Note:
Combustion is not a physical process. Because, in combustion the oxygen is reacted with the substance and there is a formation of heat will take place. In a combustion reaction, there is a reaction between a fuel, that is hydrocarbon and oxygen will take place. By the reaction of oxygen and fuel, which produces heat and light energy which results in flame.
Complete answer:
We also remember that the combustion is not a physical process. Because, in combustion the oxygen is reacted with the substance and there is a formation of heat will take place. And the fuel is used as hydrocarbon which reacts with the oxygen and a chemical reaction occurs. No other physical process occurs in the combustion process. Hence, the option (A) is incorrect.
Combustion is a high-temperature exothermic chemical reaction. Hence, combustion is a chemical process. Because, here the substance is rapidly reacting with oxygen and there is a formation of heat. And this reaction is taking place between the fuel and an oxidant.
In a combustion reaction, there is a reaction between a fuel, that is hydrocarbon and oxygen will take place. By the reaction of oxygen and fuel, which produces heat and light energy which results in flame. And the reaction of combustion can be written as,
\[Hydrocarbon + Oxygen \to Heatenergy\]
The combustion reaction of methanol can be written as,
\[2C{H_3}OH + 3{O_2} \to 4{H_2}O + 2C{O_2}\]
Here, methanol is reacted with oxygen and there is a formation of water and carbon dioxide.
Hence, the option (B) is correct.
Combustion reaction is not a biological process. Because, it does not take place in any biological reaction. Hence, the option (C) is incorrect.
Combustion reaction is not a mechanical process. Because, the reaction takes place by a chemical process and no other mechanical process in that reaction. Hence, the option (D) is incorrect.
Note:
Combustion is not a physical process. Because, in combustion the oxygen is reacted with the substance and there is a formation of heat will take place. In a combustion reaction, there is a reaction between a fuel, that is hydrocarbon and oxygen will take place. By the reaction of oxygen and fuel, which produces heat and light energy which results in flame.
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