Question

Magnesium carbonate, MgCO3, reacts with nitric acid, HNO3, to form magnesium nitrate and carbonic acid. Carbonic acid reacts to form water and carbon dioxide.

Which type of reaction does carbonic acid undergo?


decomposition; carbonic acid breaks down into two simpler compounds

synthesis; carbonic acid forms from the elements

decomposition; carbonic acid breaks down into its elements

synthesis; carbonic acid forms from two smaller compounds

Answer 1

decomposition; carbonic acid breaks down into water and carbon dioxide