Simplify the following text for a Grade 9 native English-speaking person.
Original: In the presence of water , thallium hydroxide is formed . Sulfuric and nitric acid dissolve thallium rapidly to make the sulfate and nitrate salts , while hydrochloric acid forms a insoluble thallium ( I ) chloride layer .
Simplified: Sulfuric acid is used to dissolve the thallium from it as thallium ( I ) sulfate .