Do candles produce smoke?

A properly burning and well-made candle can produce a little smoke every now and then, but it should never continuously smoke. If a noticeable amount of smoke is being generated, knowing the causes can help stop it. Move your candle out of a draught.

Read more

What does smoke color look like?

The color is a result of the behavior of the light rays as they pass through the smoke. The particles which make up the smoke scatter blue light much more than red or yellow: therefore we see the smoke as blue. What causes orange smoke? The orange/red coloration is caused by the presence of NO2 which is a direct product of the detonation process, and is also produced in the after burning reactions and by the secondary oxidation of NO to NO2 as the cloud mixes with air.

Are colored smoke bombs safe?

The coloured smoke produced is not known to be toxic, so it is not poisonous and you can be in and around the smoke, but where possible avoid breathing the smoke. What causes purple smoke in a fire? Why purple? Fine volcanic aerosols in the stratosphere scatter blue light which, when mixed with ordinary sunset red, produce a purple hue.

Consequently, what does the red smoke mean?

They mean whatever the commander wants them to mean at any given time. Red smoke could mean fire on this location or it could mean DO NOT fire on this location. It could mean avoid this location or it could mean rally on this location.