Yes, original (pure) honey can burn, but the ability to sustain a flame depends on its moisture content.
Here's a breakdown:
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Pure Honey vs. Adulterated Honey: Pure honey will potentially burn, while honey adulterated with water is less likely to due to the increased water content diluting the combustible sugars.
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Moisture Content is Key: All honey contains some moisture. Whether it will burn or light a match depends entirely on the amount of water present. A lower moisture content increases flammability.
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The "Thumb Test" Myth: While a common test involves placing a drop of honey on your thumb and attempting to light it, this is not a reliable indicator of purity. The result will vary based on the honey's moisture level.
In summary, while honey is primarily composed of sugars that can burn, the presence of water significantly impacts its flammability. Pure honey can burn if the moisture content is low enough.