Which gas is evolved when an acid reacts with metal ?

Which gas is liberated when, acids react with metals ? Give one example?

Which gas is usually liberated when an acid reacts with a metal ? How will you test for the presence of this gas ?

Which gas is released when acids react with carbonates-?

Name the gas evolved when acetic acid is react with sodium hydrogen carbonate.

Which gas is usually liberated when an acid reacts with a metal? Illustrate with an example. How will you test for the presence of this gas?

Which gas is produced when zinc granules react with Hydrochloric acid ?

Which is formed when ethanol reacts with acetic acid

Which gas is evolved when NaCl is added to H_2SO_4 ?

When HCl reacts with zinc. Which gas will evolved ? How can you prove it ?