Methane Burns with Oxygen Gas to Form Carbon Dioxide and Water

question 47

Multiple Choice

Methane burns with oxygen gas to form carbon dioxide and water vapor. The class of this reaction is

• A)double-displacement reaction.
• B)decomposition reaction.
• C)combustion reaction.
• D)combination reaction.
• E)single-displacement reaction.

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Definitions:

Synapse

A junction between two nerve cells, where impulses pass by diffusion of a neurotransmitter.

Acetylcholine

A neurotransmitter important for learning, memory, and muscle movement.

Enzyme

A biological molecule that acts as a catalyst, speeding up chemical reactions in the body without being consumed or altered in the process.

Body Fluids

Liquids originating from inside the bodies of living organisms, which include blood, saliva, semen, and sweat, among others.