The acids which react with metals usually ... Calcium plus hydrochloric acid gives us calcium chloride. And zinc plus sulphuric acid gives us zinc sulfate. And the salt that we put on our food ...

The acids which react with metals usually ... Calcium plus hydrochloric acid gives us calcium chloride. And zinc plus sulphuric acid gives us zinc sulfate. And the salt that we put on our food ...

are all debtors to sulphuric acid ... or through a mixture of nitric acid, or a nitrate with hydrochloric acid. The reaction takes place in a comparatively 'small vessel of suitable material ...