Which of the following is a necessary reactant for combustion?A.Carbon dioxideB.Water vaporC.HydrogenD.OxygenSUBMITarrow_backPREVIOUS
Question
Which of the following is a necessary reactant for combustion?
A. Carbon dioxide
B. Water vapor
C. Hydrogen
D. Oxygen
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Solution
Answer
Combustion is a chemical reaction that typically occurs between a fuel and an oxidizing agent, and oxygen is the most common oxidizing agent used in combustion processes. During combustion, the fuel reacts with oxygen to produce carbon dioxide and water as byproducts.
- Carbon dioxide (A) - This is a product of combustion, not a reactant.
- Water vapor (B) - This is also a product of combustion, not a reactant.
- Hydrogen (C) - While hydrogen can be a fuel in combustion reactions, it isn't a necessary reactant for the combustion of all materials.
- Oxygen (D) - This is the essential reactant for combustion.
Conclusion
The necessary reactant for combustion is D. Oxygen.
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