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Physical
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Is saliva breaking down a piece of bread a chimacal change?
Saliva breaking down a piece of bread is a chemical change because enzymes in the saliva break down the starches in the bread into simpler sugars through a chemical reaction. This results in a change in the composition and structure of the bread at a molecular level.
Is slicing bread chemical change?
No, slicing bread is a physical change. The act of cutting the bread into smaller pieces does not alter its chemical composition.
Is toast physical change or chemical change?
Making toast is a chemical reaction because you can't change it back into untoasted bread.The drying of the bread is physical but the actual caramelization or darkening of the outer bread layer is a chemical change. The outer edges of the bread are beginning to char. Generally, a color change is an indicator of a chemical change.
What type of change is cutting bread?
Cutting bread is a mechanical or physical change, not a chemical change.
Is slicing bread physical change?
It is a physical change
Is slincing bread physical or chemical change?
Slicing bread is a physical change because it does not change the chemical composition of the bread.
Is baking bread physical change?
bread is a chemical change, not a physical change
Is slicing a bread a chemical or a physical?
Slicing bread is a physical change, because each slice of bread has the same chemical composition as it had before it was sliced.
Is saliva breaking down a piece of bread a chimacal change?
Saliva breaking down a piece of bread is a chemical change because enzymes in the saliva break down the starches in the bread into simpler sugars through a chemical reaction. This results in a change in the composition and structure of the bread at a molecular level.
Is bread a physical or chemical change?
chemical
Is yeast causing bread to rise is a physical or chemical change?
Yeast rising bread works because yeast (an organism) converts starch to carbon dioxide which makes bread grow. This can be seen as a chemical reaction (yeast converting starch to CO2 gas) or a physical reaction (the CO2 making the bread expand).
Is slicing bread chemical change?
No, slicing bread is a physical change. The act of cutting the bread into smaller pieces does not alter its chemical composition.
Is toasting bread chemical or a physical change?
chemical change
Is a bread toasted a physical or chemical change?
It is a chemical change.
Is toasting a bread a chemical or physical change?
chemical change
Is a toasting bread a chemical or a physical change?
It is chemical change
When bread is baked is that a physical change or a chemical change?
chemical
