BURNED TOAST.
It has a use, but usually not at the same time as you burn it.
Burned toast scraped and used is similar to inactivated charcoal, used to make people throw up. But if you have no knowledge of it, NEVER DO IT.
The material formed is Carbon.
that black powder is called carbon
Not usually. Burned food has undergone a chemical change and scraping off the burned areas does not repair the burn other than cosmetically removing the black color. You can scrape burned toast, for example, but you may find the bread that remains to be too dry to enjoy.
roast toast
Burned bread has not been known to cause cancer. There have been no studies supporting this seemingly bizarre medical claim.
No, the bread is not heterogeneous because you can't see the individual substance.
This bread is a mixture.
mixture
roast toast
roast toast
Black bread is made from whole grain flours like rye or wheat, resulting in a denser texture and darker color compared to white bread made from refined flours. Black bread tends to have a stronger flavor and is often richer in nutrients like fiber and vitamins.
When water and flour are combined, bonds are formed and continue to build throughout the process of kneading due to gluten, the glue-like substance present in wheat and other grassy grains. This substance is what gives wheat it's characteristic elasticity.