MCC Mortuary Cemeteries Practice Test 2025 – All-in-One Prep Guide for Exam Success!

Question: 1 / 400

What are the three elements required for combustion to take place?

Heat, fuel, and oxygen

Combustion is a chemical reaction that occurs when a fuel reacts with an oxidizer, typically oxygen, producing heat and light. The three essential elements required for this process to take place are heat, fuel, and oxygen.

Heat is necessary to initiate the combustion process by raising the temperature of the fuel to its ignition point. The heat acts as a catalyst to begin the reaction. Fuel refers to any combustible material, such as wood, gasoline, or propane, which contains chemical energy that can be released during combustion. Finally, oxygen, typically from the air, serves as the oxidizer that reacts with the fuel.

Without any one of these three elements—heat, fuel, or oxygen—combustion cannot occur. This is why the correct answer emphasizes these specific components as vital for combustion to happen.

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Hydrogen, oxygen, and carbon

Flame, fuel, and heat

Oxygen, nitrogen, and heat

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