Question

types of reactions
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propane burns in air to produce carbon dioxide and water. what is this type of chemical reaction called?
○ synthesis
○ combustion
○ decomposition
○ single replacement

Explanation:

A combustion reaction involves a fuel reacting with oxygen (from air) to produce oxides (like carbon dioxide) and water, often with heat release. Propane (a hydrocarbon fuel) burning in air fits this definition. Synthesis combines simple substances into a complex one, decomposition breaks a compound into simpler ones, and single replacement involves one element replacing another in a compound, none of which match the described reaction.

Answer:

B. combustion