Combustion of carbon
The flask contains charcoal, the cylinder is filled with pure oxygen, a colourless gas .
The charcoal is ignited.
The charcoal is introduced into the cylinder.
The charcoal burns with a yellow sparkling flame.
The product of this combustion is a colorless gas.
Let's introduce a bromothymol solution.
It turns to yellow.
The flask contains charcoal, the cylinder is filled with pure oxygen, a colourless gas .
