Question 42
Marble statues are corroded by acid rain. Tick (✓) the two options that complete the sentence correctly.
When the sulfuric acid in acid rain reacts with the marble, ______ is formed.
carbon dioxide • hydrated iron oxide • calcium carbonate • calcium sulfate
When the sulfuric acid in acid rain reacts with the marble, ______ is formed.
carbon dioxide • hydrated iron oxide • calcium carbonate • calcium sulfate
