BURNT-COAL RESIDUE Crossword Clue
BURNT-COAL RESIDUE Crossword Clue
We know 1 solutions for: BURNT-COAL RESIDUE
Crossword Puzzle Infos
Burnt-coal residue, also known as SOOT (4 letters), is a black or dark gray powdery or flaky substance composed of carbon particles that are produced when coal is burned. It is a byproduct of incomplete combustion and can be found in the exhaust of furnaces and other fuel-burning equipment. SOOT is a major air pollutant and can cause respiratory problems if inhaled.