Which reaction is reversible?
1 )
reaction of aqueous sodium hydroxide with dilute hydrochloric acid
formation of anhydrous copper(II) sulfate from hydrated copper(II) sulfate
3 )
oxidation of methane to form carbon dioxide and water
4 )
combustion of sulfur to form sulfur dioxide
تحلیل ویدئویی تست
تحلیل ویدئویی برای این تست ثبت نشده است!