What does yellow smoke mean?

Yellow smoke at a structure fire most likely indicates incomplete combustion. This is usually a very dangerous condition because it can lead to a back draft.

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People also ask what does blue smoke mean in a fire?

The holy grail of a barbecue pitmaster is "clean smoke" or "blue smoke." To achieve this, the hardwood is left outside to air-dry for about one year so that the moisture content is below 20 percent. What Colour is smoke? greenish-gray Smoke is a medium greenish-gray color with the hex code #848884, one of numerous shades that use the term "smoke" as part of their descriptor. Smoke closely resembles other green-gray shades like xanadu and dolphin gray.

Then, why can you see smoke?

Smoke is caused by burning things like wood, petrol or oil. Smoke is made up of gases, such as carbon dioxide, which are invisible, and tiny soot particles (specks of dirt) which are visible. The more soot particles there are in the smoke, the more visible the smoke is. And another question, is smoke is a matter why? Smoke, smog, and laughing gas are matter. Energy, light, and sound, however, are not matter; ideas and emotions are also not matter. The mass of an object is the quantity of matter it contains.

Accordingly, which comes first fire or smoke?

Smoke occurs when there is incomplete combustion (not enough oxygen to burn the fuel completely). In complete combustion, everything is burned, producing just water and carbon dioxide. When incomplete combustion occurs, not everything is burned. Smoke is a collection of these tiny unburned particles. What does GREY smoke mean? White smoke can often mean material is off-gassing moisture and water vapor, meaning the fire is just starting to consume material. Grey smoke can indicate that the fire is slowing down and running out of materials to burn.