Name the gas produced when a mixture of 7 g of iron filing and 4 g of sulphur powder is treated with dilute Sulphuric acid at room temperature ? What gas would be produced if the same mixture is first heated strongly, cooled and then treated with dilute Sulphuric acid ? State the causes of this difference in behaviour
Hydrogen gas is produced when a mixture of iron fillings and sulfur is treated with dilute sulfuric acid. When the mixture is heated and then treated with sulfuric acid sulfur dioxide is formed.