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Question: 1 / 400

What characteristic is associated with a Bunsen flame?

Green appearance

Yellow appearance

Blue appearance

A Bunsen flame is characterized by a blue appearance, which indicates that it is a hot and efficient flame primarily used in laboratory settings. This blue flame occurs due to complete combustion of the gas, which in this case is typically natural gas or propane. The adequate oxygen supply in a Bunsen burner facilitates this complete combustion, producing a hotter flame that burns cleaner, with minimal soot and fewer combustion byproducts.

The blue color is a result of the high-temperature gases emitting light at specific wavelengths. This characteristic makes the Bunsen flame ideal for various scientific applications, as it provides a consistent and controllable source of heat. Hence, the blue appearance is not just a visual indicator but a hallmark of optimal combustion, efficiency, and the capabilities of the Bunsen burner in producing precise heating for experiments.

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Red appearance

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