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How Hot Are Blue, White, and Red Flames in °C?

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Detailed Solution

The temperature of a flame depends on its color, which represents the level of combustion and energy released. Here’s how the most common flame colors compare on the Celsius scale:

Flame temperature chart:

Flame Color	Approx. Temperature (°C)	Description
Red Flame	525°C – 1,000°C	Coolest flame; incomplete combustion, often smoky.
Orange/Yellow Flame	1,000°C – 1,200°C	Moderate heat; common in candle flames.
Blue Flame	1,400°C – 1,650°C	Hottest normal flame; complete combustion (like in gas burners).
White Flame	1,800°C – 2,000°C	Extremely hot; often found in oxy-acetylene welding flames.

Thus, blue flames are hotter than red or yellow flames because they represent complete oxidation of fuel, generating maximum heat energy.

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