When limestone reacts with acid, Carbon Dioxide is produced.
If you have a small sample bottle of dilute hydrochloric acid, the limestone will fizz as it is calcium carbonate and will dissolve in the acid, releasing carbon dioxide gas. The same acid will not react with the inert silica of a black chert. Sometimes chert and limestone are finely inter-bedded and the acid will pick out the limestone bands!
the results are the same regardless of the gas
Oil and natural gas. Coal Iron Ore. Limestone. Small amounts of lead, tin and gold. Salt
they used them for condems
New Zealand has a wide variety of natural resources. These include natural gas, sand, iron ore, timber, hydro-power, gold, limestone and coal.
A salt. The type of salt depends on the type of acid.
Hydrogen
hydrogen
hydrogen gas
carbon dioxide
Carbon dioxide (CO2) gas is produced.
Carbon dioxide is produced.
If the acid is sufficiently strong, carbon dioxide gas will evolve and a calcium salt of the acid will be formed.
Carbon Dioxide
carbon dioxide
oxygen
carbon dioxide