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Residue or ash is left behind after combustion because not all the fuel is completely burned during the process. Incomplete combustion can occur due to insufficient oxygen supply, poor fuel-air mixture, or low combustion temperatures. The residue can also contain unburnt carbon, which is a byproduct of incomplete combustion.
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What is the residue left after charring a sucrose?
What is left after heating sucrose is charcoal or solid carbon (C2). Heating causes sucrose to decompose as referred to this chemical reaction: C12H22O11 + O2 (the air is filled with it) - Heated --> CO2 + H2O + C2
When methanol is burned and leaves a residue a physical or chemical change?
When methanol burns and leaves a residue, it undergoes a chemical change. The burning of methanol involves a combustion reaction, where the methanol is reacting with oxygen to form new substances, such as carbon dioxide and water. The residue left behind is a result of this chemical reaction.
Does burning rice leave ashes?
Rice is made out of many carbohydrates. Therefore, in combustion, a residue of amorphous carbon is left.
What is the FC in coal?
FC in coal stands for Fixed Carbon, which refers to the solid combustible residue left after volatile matter and moisture have been driven off during coal combustion. Fixed Carbon content in coal indicates its carbon content and energy value.
Do ashes burn completely in a fire?
Yes, ashes can burn completely in a fire, as they are the residue left behind after the combustion of materials.
What is the chemical residue left in the charring test?
the charring test would result a Gay person, or also known as Homosexual, the chemical residue that the "charring" test proves to be very effective in metamorphing a male human, into a gay or homosexual person.
What is the answer of the soft residue that remains after combustion?
The soft residue that remains after combustion is called ash. Ash is the inorganic material left behind when organic material (such as wood or paper) is burned.
What is the black solid that is formed in the combustion of hexane?
Coke, most likely. Coke is the carbonaceous residue left over from the thermal "cracking" of hydrocarbons (the term is also used to describe the residue left over from coal combustion).
What solid product released during the incomplete combustion of hydrcarbon fuels?
The solid product released during the incomplete combustion of hydrocarbon fuels is soot or carbon particles. This occurs when there is insufficient oxygen for complete combustion, leading to the formation of carbon residue.
What is the residue left after charring a sucrose?
What is left after heating sucrose is charcoal or solid carbon (C2). Heating causes sucrose to decompose as referred to this chemical reaction: C12H22O11 + O2 (the air is filled with it) - Heated --> CO2 + H2O + C2
When methanol is burned and leaves a residue a physical or chemical change?
When methanol burns and leaves a residue, it undergoes a chemical change. The burning of methanol involves a combustion reaction, where the methanol is reacting with oxygen to form new substances, such as carbon dioxide and water. The residue left behind is a result of this chemical reaction.
When a flame goes out white powder is left what is the name of the white powder?
The white powder left after a flame goes out is typically known as soot or ash. Soot is the fine black or dark particles composed of carbon that result from incomplete combustion, while ash is the residue left behind after complete combustion of materials.
Does burning rice leave ashes?
Rice is made out of many carbohydrates. Therefore, in combustion, a residue of amorphous carbon is left.
What is the FC in coal?
FC in coal stands for Fixed Carbon, which refers to the solid combustible residue left after volatile matter and moisture have been driven off during coal combustion. Fixed Carbon content in coal indicates its carbon content and energy value.
What is formed when burning a log?
When burning a log, the main byproducts are carbon dioxide, water vapor, and heat. The process of combustion breaks down the wood fibers, releasing energy in the form of heat and light. Ash residue is also left behind after the combustion process is complete.
Do ashes burn completely in a fire?
Yes, ashes can burn completely in a fire, as they are the residue left behind after the combustion of materials.
What is the substance left after a flame test?
The substance left after a flame test is typically a residue of the material that was burned. This residue can vary depending on the original substance and may contain remnants of unburned material, ash, or other byproducts of combustion.
