QQuestionChemistry
QuestionChemistry
Which best describes combustion as it is used in the sentence?
A. a violent excitement
B. the explosion of several components in a motor vehicle
C. a chemical reaction caused by the combination of fuel and air
D. the process of burning something
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Answer
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Step 1:I'll solve this problem step by step:
Step 2:: Understand the term "combustion"
Combustion is a scientific term that describes a specific chemical process. Let's analyze the key characteristics of combustion.
Step 3:: Examine the definition
Combustion is a chemical reaction where a substance (typically a fuel) rapidly combines with oxygen, producing heat and light. This process is essentially burning.
Step 4:: Evaluate the given options
A. "a violent excitement" - This is not a scientific definition B. "the explosion of several components in a motor vehicle" - This is too specific and not a general definition C. "a chemical reaction caused by the combination of fuel and air" - This most accurately describes the scientific process of combustion D. "the process of burning something" - While partially correct, this is too vague
Step 5:: Reasoning
The key elements of combustion are: - Chemical reaction - Combination of fuel and oxygen (air contains oxygen) - Produces heat and light - Involves burning
Final Answer
The correct answer is C because it precisely captures the scientific definition of combustion as a chemical process involving fuel and oxygen.
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