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Is tearing cloth a physical or chemical change?
It is PHYSICAL CHANGE because it does not change into another substance and it does not have chemical reaction, it can be sewn back to return to its original form.
Why the rusting of an iron pole is not physical change?
The rusting of an iron pole is a chemical change. An example of a chemical change would be crumbling a piece of paper. When you are crumbling this piece of paper, the contents of the paper have not change and you are able to uncrumble the paper there is no difference except the paper has wrinkles. :) However in an example of chemical change like a metal rusting, you cannot un-rust it, it was chemically changed. Another example of a chemical change would be burning a piece of paper to ashes.
What is a chemical change in a plastic soda bottle A. Burning B. Freezing C. Cutting D. Crushing?
A. Burning. Burning a plastic soda bottle would involve a chemical change because the plastic molecules are being broken down and rearranged into different chemical substances. Freezing, cutting, and crushing would not result in a chemical change, as the chemical composition of the plastic would remain the same.
Is chocolate syrup a thick liquid a chemical change?
Chocolate syrup being a thick liquid is a physical change, as the state of matter is altered but the chemical composition remains the same. If the chocolate syrup were to change in composition, for example by caramelizing or burning, it would be considered a chemical change.
What change in matter can be reversed?
A physical change in matter occurs when the shape or form of matter changes, but there is no chemical reaction. If someone were to melt a sugar cube, that would be an example of a physical change.
Is the burning of phosphorus physical or chemical change?
Burning of anything is a chemical change. Combustion (burning) is a chemical reaction; it is simply where oxygen is added to, for example, an element, and turns it into an oxide. Burning phosphorus would result in phosphorus oxide. P + O2 --> P4010
Is burning a tortilla chemical or physical change?
Chemical; you are changing the physical properties of the tortilla. Physical would be just warming or cooling it for example
Is Burning wood is an example of physical change.?
I think you mean "Is burning a paper a physical change?" Burning a paper is not a physical change. It is a chemical change. Because you can't turn the ashes of the paper into a normal paper again. Examples of physical change: Cutting a paper, sharpening a pencil, writing on a paper... Examples of chemical change: Rotten egg, Rusted steel, molded bread...
Is tearing cloth a physical or chemical change?
It is PHYSICAL CHANGE because it does not change into another substance and it does not have chemical reaction, it can be sewn back to return to its original form.
Is burning toast a physical change?
Burning toast would be a chemical change. The bread would be changed into carbon and the reaction can not be reversed.
Why the rusting of an iron pole is not physical change?
The rusting of an iron pole is a chemical change. An example of a chemical change would be crumbling a piece of paper. When you are crumbling this piece of paper, the contents of the paper have not change and you are able to uncrumble the paper there is no difference except the paper has wrinkles. :) However in an example of chemical change like a metal rusting, you cannot un-rust it, it was chemically changed. Another example of a chemical change would be burning a piece of paper to ashes.
Is burning of leaves physical change or chemical change?
Burning leaves would be a chemical change because once the leaves are burnt, you can't turn the ashes back into leaves.
Is burning a tree a physical or chemical change?
No. It must go through a chemical reaction to be a chemical change. In example, burning a candle: Is it still the same thing before and after you lit it? yes. So if in the process of burning the leaf it went through a chemical reaction, then it would a chemical change. Since only its appearance changes, not its chemical structure on the molecular level, it is only a physical change.
An example of a physical change would be?
Burning of a matchstick.
What is a chemical change in a plastic soda bottle A. Burning B. Freezing C. Cutting D. Crushing?
A. Burning. Burning a plastic soda bottle would involve a chemical change because the plastic molecules are being broken down and rearranged into different chemical substances. Freezing, cutting, and crushing would not result in a chemical change, as the chemical composition of the plastic would remain the same.
Is chocolate syrup a thick liquid a chemical change?
Chocolate syrup being a thick liquid is a physical change, as the state of matter is altered but the chemical composition remains the same. If the chocolate syrup were to change in composition, for example by caramelizing or burning, it would be considered a chemical change.
What change in matter can be reversed?
A physical change in matter occurs when the shape or form of matter changes, but there is no chemical reaction. If someone were to melt a sugar cube, that would be an example of a physical change.
