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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 methanol burns and leaves a residue is it a chemical change?
Combustion is a chemical change. You would expect methanol to be fully oxidised to CO2 and water. Any residue could may be due to impurities or more likely to incomplete combustion which produced sooty carbon residues.
How can one effectively test for methanol in a substance?
One can effectively test for methanol in a substance by using a simple chemical test called the chromic acid test. This test involves mixing the substance with chromic acid and sulfuric acid, and observing a color change to determine the presence of methanol.
A popsicle melting is physical or chemical change?
Melting is a physical change.
Is burned ethanol a physical or chemical change?
Burning anything (a liquid or a solid) is a chemical change and the reaction is known as a combustion reaction.
Is a methanol is burned and leaves a residue a chemical change?
Burning (an oxidation reaction) is a chemical change,
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 methanol burns and leaves a residue is it a chemical change?
Combustion is a chemical change. You would expect methanol to be fully oxidised to CO2 and water. Any residue could may be due to impurities or more likely to incomplete combustion which produced sooty carbon residues.
When methanol is burned is it a chemical change?
yes, because it is combusting and providing energy. also when something is burned that is a sign of a chemical reaction taking place
Is methanol burning a chemical change?
Yes, burning methanol is a chemical change because it involves a chemical reaction in which methanol reacts with oxygen to form carbon dioxide and water, releasing energy in the form of heat. This process is irreversible and results in the formation of new substances with different properties compared to the original methanol.
When wood is burned is that a physical or chemical change?
Chemical change
Is a burned bagel a chemical change?
Yes, it is a chemical change.
Is a burned gasoline in a engine a physical or chemical change?
Chemical change
Is copper and silver a chemical or physical change?
It is a chemical change because it leaves a residue (which is a sign of chemical change) Hope that helps
When gasoline is burned is it chemical change?
Yes.
When gasoline is burned is that a chemical change?
Yes, it is.
Why is the burning of charcoal in a grill is a chemical change?
When anything is burned a chemical change occurs. The chemical composition of charcoal changes.
