Which Substance Is a Reactant in the Following Chemical Equation

question 5

Multiple Choice

Which substance is a reactant in the following chemical equation? CO₂ + H₂O ↔ H₂CO₃

• A) water
• B) carbon
• C) oxygen
• D) hydrogen
• E) carbonic acid

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Definitions:

Pines

Type of conifer trees belonging to the genus Pinus, known for needle-like leaves and production of cones containing seeds.

Firs

A genus of evergreen coniferous trees belonging to the family Pinaceae, known for their needle-like leaves and their role as popular Christmas trees.

Gymnosperm Phyla

A group of seed-producing plants that includes conifers and cycads, characterized by seeds that are not enclosed within an ovary.

Morphology

The examination of the shape and architecture of living entities and their unique anatomical characteristics.