Spark is a chemical process; a material particle is burned and burning is oxidation - chemistry.
What do u mean by chemical or physical reaction... Please give me an answer so i can give you the answer.
octane is not a chemical or physical property. Properties are what define something not what they are. So octane has both chemical and physical properties.
It's so physical ! Because is a property indepedent of chemical changes.
Yes it is a chemical change because color change is an observed change that a chemical change has occurred. So you are very much right. :)
physical. the water being added simply soaks through the coffee, so there's no chemical change.
It is a chemical process.
What do u mean by chemical or physical reaction... Please give me an answer so i can give you the answer.
It's so physical ! Because is a property indepedent of chemical changes.
octane is not a chemical or physical property. Properties are what define something not what they are. So octane has both chemical and physical properties.
Rusting is a chemical process, so no if its lacking it cannot be chemical its physical
its a physical joking its a chemical change a physical is one substances, and a chemical change is two or more substances so the answer is to food molding a chemical change
It is as irreversible change, so it is chemical.
I belive so.
It is as irreversible change, so it is chemical.
Physical... chemically, it's still the same substance,
Oxidation is a chemical reaction, so it is a chemical property.
Yes it is a chemical change because color change is an observed change that a chemical change has occurred. So you are very much right. :)