Is white or blue flame the hottest?

Asked By: Abderraouf Villano | Last Updated: 1st June, 2020
Category: hobbies and interests candle and soap making
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The color blue indicates a temperature even hotter than white. Blue flames usually appear at a temperature between 2,600º F and 3,000º F. Blue flames have more oxygen and get hotter because gases burn hotter than organic materials, such as wood.

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Considering this, what color is the hottest flame blue or white?

Blue, on the other hand, while representing cooler colors in society, actually epitomizes the opposite in fires as some of the hottest flames all around. When all flame colors combine, they produce white, the hottest color of them all.

Subsequently, question is, what color is the hottest flame possible? The hottest flame is violet on the color spectrum and white in the visible spectrum. The type of fuel and impurities, in addition to the flame temperature, contribute to the color of the flame. Once the gas forms, combustion occurs as the various molecules react with oxygen to produce the heat and light known as fire.

Then, is white the hottest part of the flame?

The dominant color in a flame changes with temperature. Near the logs, where most burning is occurring, the fire is white, the hottest color possible for organic material in general, or yellow. Above the yellow region, the color changes to orange, which is cooler, then red, which is cooler still.

Is a blue or yellow flame hotter?

Blue flames aren't always hotter than yellow flames, because the color of light emitted by the flame can depend on exactly which atoms and molecules are in the flame. Sometimes that's more important than the temperature of the flame in setting the color.

20 Related Question Answers Found

Are Black Flames possible?

Flames emits light and heat, so it seems impossible to make black fire. However, you actually can make black fire by controlling the wavelengths of absorbed and emitted light.

Is fire a plasma?

Fire (flame) Fire (flames) may contain plasma, albeit one that is a partially ionized plasma, and dominated by collisions: Any ionized gas cannot be called a plasma, of course; there is always a small degree of ionization in any gas.

What is the hottest fire in the world?

A blue flame is the hottest one of all, ranging from 1400-1650° Celsius (2600-3000° Fahrenheit). The blue gas flame of a Bunsen burner is much hotter than the yellow flame from a wax candle!

Why is the sky blue?


Blue light is scattered in all directions by the tiny molecules of air in Earth's atmosphere. Blue is scattered more than other colors because it travels as shorter, smaller waves. This is why we see a blue sky most of the time.

What is the hottest thing in the universe?

The hottest thing that we know of (and have seen) is actually a lot closer than you might think. It's right here on Earth at the Large Hadron Collider (LHC). When they smash gold particles together, for a split second, the temperature reaches 7.2 trillion degrees Fahrenheit. That's hotter than a supernova explosion.

What are the colors of fire?

Colored fire is a common pyrotechnic effect used in stage productions, fireworks and by fire performers the world over. Generally, the color of a flame may be red, orange, blue, yellow, or white, and is dominated by blackbody radiation from soot and steam.

What is flame made of?

At a certain point in the combustion reaction, called the ignition point, flames are produced. The flame is the visible portion of the fire. Flames consist primarily of carbon dioxide, water vapor, oxygen and nitrogen. If hot enough, the gases may become ionized to produce plasma.

What color is the sun?

It is a common misconception that the Sun is yellow, or orange or even red. However, the Sun is essentially all colors mixed together, which appear to our eyes as white. This is easy to see in pictures taken from space. Rainbows are light from the Sun, separated into its colors.

Why are blue stars hotter than white ones?


The color of a star is linked to its surface temperature. The hotter the star, the shorter the wavelength of light it will emit. The hottest ones are blue or blue-white, which are shorter wavelengths of light. Earth's sun emits a lot of green light, but humans see it as white.

How hot can a bushfire get?

Q. At what temperatures do forest fires burn? An average surface fire on the forest floor might have flames reaching 1 meter in height and can reach temperatures of 800°C (1,472° F) or more. Under extreme conditions a fire can give off 10,000 kilowatts or more per meter of fire front.

Which part of the Bunsen flame is hottest?

The hottest part of the Bunsen flame, which is found just above the tip of the primary flame, reaches about 1,500 °C (2,700 °F). With too little air, the gas mixture will not burn completely and will form tiny carbon particles that are heated to glowing, making the flame luminous.

What temperature does natural gas burn at?

Normal combustion of natural gas with adequate air produces carbon dioxide and water together with a flame temperature of 1,000–1,200 °C.

When all 3 elements of the fire triangle combine what can occur?

The triangle illustrates the three elements a fire needs to ignite: heat, fuel, and an oxidizing agent (usually oxygen). A fire naturally occurs when the elements are present and combined in the right mixture, meaning that fire is actually an event rather than a thing.

Why is fire red orange and yellow?


A flame's color depends on two things: the temperature of the flame and the material being burned. The main color in the flame changes with the temperature. Something is “red hot” from 977 degrees Fahrenheit to 1,830 degrees. Orange flames burn at 2,010 to 2,190 degrees.

Why is the blue flame on a Bunsen burner hotter?

If the collar at the bottom of the tube is adjusted so more air can mix with the gas before combustion, the flame will burn hotter, appearing blue as a result.