Question

identify the type of reaction for the chemical equation: $ch_4 + 2o_2 \
ightarrow co_2 + 2h_2o$
single replacement
decomposition
combustion
synthesis

Explanation:

The chemical equation \( \text{CH}_4 + 2\text{O}_2
ightarrow \text{CO}_2 + 2\text{H}_2\text{O} \) represents the reaction of methane (a hydrocarbon) with oxygen. Combustion reactions involve a substance reacting with oxygen, usually producing carbon dioxide and water (for hydrocarbon combustion). Single replacement involves one element replacing another, decomposition is breaking a compound into simpler parts, and synthesis is combining substances. This matches combustion.

Answer:

Combustion (the option labeled "Combustion" among the choices)