The black substance on burnt food is mostly carbon.
The steel wool will burned and turned in black substance.
The black substance deposited on the glass rod is likely soot, which is a carbon-based material that forms when organic matter is incompletely burned. This can occur when the glass rod is exposed to a flame or other heat source.
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.
If barbecue is black, hard and dry, it has been overcooked. I agree - if it is dry, it is usually overcooked. But "bark" is usually black in color and is desirable on Boston butts and brisket and even ribs to a lesser degree. Bark should not be hard though. Here's a newsletter I did recently on bark... www.bbqsuccess.com/bbq-bark
Black is the color of the carbon that is left when other things are burned away.
magnesium is a purply substance. Although when this substance is burned with oxygen it becomes Magnesium Oxide. This chemical then turns into a black liquidy colour. The word equation for this experiment is: magnesium + Oxygen = Magnesium Oxide
The black substance found in chimneys is typically creosote, a residue left behind when wood or fossil fuels are burned. Creosote is highly flammable and can lead to chimney fires if not cleaned regularly. It is important to have chimneys professionally inspected and cleaned to prevent any potential dangers.
From inside thr trunk remove two plastic covers that are for cargo nets. They screw off. The black plastic inside piece will now come off (width of trunk. You will see nuts on the studs that the black plastic covers were on these will release the light assembly which pulls out from the outside.
No it isn't because Carbon can also be released as carbon dioxide like when burning alcohol.
Copper oxide appears as a black or dark brown powder after copper has burned.
in olen days, people used wood fired stoves to cook their meals. there was a special substance like paint or polish that turned the metal black again. the color burned off while cooking so had to be renewed occasionally.
The block and valve covers were black.The block and valve covers were black.