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A chemical change.
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Is burning toast is a physical or a chemical change?
chemical
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.
Is burning toast a chemical change or a physical change how do you know?
It is kind of both....The chemical: The toast loses its water molecules and so loses most of its H2O.The Physical: The toast becomes hard and crunchy from soft and airy.Added:The toast burning is a total physical change, not chemical. Water loss from the toast is not a chemical change as species have not changed partners ( atoms have not rearranged into new species ) and H2O remains the molecule H2O, water.
Is a burning toast a physical or chemical change How do you know?
It is kind of both....The chemical: The toast loses its water molecules and so loses most of its H2O.The Physical: The toast becomes hard and crunchy from soft and airy.Added:The toast burning is a total physical change, not chemical. Water loss from the toast is not a chemical change as species have not changed partners ( atoms have not rearranged into new species ) and H2O remains the molecule H2O, water.
Is a toast a chemical or physical change?
Chemical
Is burning toast a physical or chemical state?
It is a chemical process.
Burning toast physical or chemical change?
Burning toast is a CHEMICAL change. A physical change is reversable-for example, you can freeze water into a cube and then defrost and reconvert to water. Burning is always a chemical change. In order for something to burn, some of the original substance must be lost and therefore cannot be turned back into its original form
Is buttering toast a physical or chemical change?
Physical change.
Is butter on toast a chemical change or a physical change?
it is a physical change
Is unburned toast a chemical or physical change?
physical
Is bread becoming toast a physical change or a chemical change?
chemical change
Is burning toast in the toaster physical or chemical?
Yes, it is. The process by which heat changes the molecules of the bread from white and soft to brown and crispy is a chemical change. A chemical change does NOT mean you have to add chemicals. It just means the chemicals (molecules) in the substance changed their chemistry. So slicing bread is a physical change, but toasting it is a chemical change.
