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Physical change
chemical change
It is a physical change.
It's physical
Physical change. The paper is still a piece of paper; nothing happened to the chemical composition of it.
It is a chemical change because some compounds from bread are thermally decomposed.
This is a physical change and might include a chemical change due to the heat involved in taking the bread to its final appearance. the physical change because, there is a change in color(colour) and a slight change in shape depending on the toaster you are using.
Physical
Physical
No. Toasting simply changes the structure by removing water and causing browning through the Maillard reaction. Toast may be less dense than bread, but this is simply because there is less water - the calories will be identical.
Physical change
Chemical.
Physical
chemical
The word "toast," meaning a wish of good health, started in ancient Rome, where a piece of toasted bread was dropped into wine.
chemical change
physical