Question

combustion flame and fuel​

Answer 1

Answer:

COMBUSTION

The process in which a fuel burns out to give heat and energy in the presence of oxygen is called Combustion

Flame

• Flame only occurs when the fuel has the capacity to vapourise
• Flame only occurs when the fuel has the capacity to vapourise presence of oxigen is must for a flame to be produced
• Flame only occurs when the fuel has the capacity to vapourise presence of oxigen is must for a flame to be producedflame will be produced when the fuel reaches the ignition temperature
• Flame only occurs when the fuel has the capacity to vapourise presence of oxigen is must for a flame to be producedflame will be produced when the fuel reaches the ignition temperatureinginition temperature is the level of temperature when exceeded the object starts burning
• Flame only occurs when the fuel has the capacity to vapourise presence of oxigen is must for a flame to be producedflame will be produced when the fuel reaches the ignition temperatureinginition temperature is the level of temperature when exceeded the object starts burningthere are 3 types of zone in a flame that we can notify

BLUE ZONE

• Blue flame is the hottest part of the flame
• Blue flame is the hottest part of the flameblue zone is used by the gold smiths to melt gold
• Blue flame is the hottest part of the flameblue zone is used by the gold smiths to melt goldblue zone is the outermost zone of a flame
• Blue flame is the hottest part of the flameblue zone is used by the gold smiths to melt goldblue zone is the outermost zone of a flameblue zone is the zone where complete combustion takes place

YELLOW ZONE

• Yellow zone is the second hottest zone of a flame
• Yellow zone is the second hottest zone of a flameyellow zone is moderate hot zone of a flame that's easily visible
• Yellow zone is the second hottest zone of a flameyellow zone is moderate hot zone of a flame that's easily visiblethis zone is on yellowish due to the burning of CO2 produced while burning

DARK ZONE

• Dark zone is the final part around the wick of the candle
• Dark zone is the final part around the wick of the candlehere no combustion takes place due to lack of oxygen

FUEL

Fuel is a substance that can react with other substances to produce heat and energy

most common house hold fuels are :

LPG

wood

Cow dung cake

Industrial fuels

coal

hydrogen

Answer 2

Answer:

Combustion is a chemical process in which a substance reacts rapidly with oxygen and gives off heat. The original substance is called the fuel, and the source of oxygen is called the oxidizer. The fuel can be a solid, liquid, or gas, although for airplane propulsion the fuel is usually a liquid.

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