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Burning toast would be a chemical change. The bread would be changed into carbon and the reaction can not be reversed.

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Q: Is burning toast a physical change?
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Is burning toast is a physical or a chemical change?

chemical


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.


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 butter on toast a chemical change or a physical change?

it is a physical change


Is burning toast a physical or chemical state?

It is a chemical process.


Is buttering toast a physical or chemical change?

Physical change.


Is a toast a chemical or physical change?

Chemical


Is toast reversible or reversible?

Burning is an irreversible change.


Is unburned toast a chemical or physical change?

physical


Is burning a fire a physical or chemical change?

Burning is a chemical change.


Is butter melting on toast a chemical or a physical change?

it is a physical change