What usually happens when you add dilute hydrochloric acid to a metal?

Question

What usually happens when you add dilute hydrochloric acid to a metal?

Answer 1

Then surface will corrode and change color.

Answer 2

Nothing, if it is really really dilute

Acid get there "strength" from water.

Like this HCl + H2O -> Cl + H3O+

H3O+ is what make acid, well acidic.

Only a few acid react without water H2SO4 or HNO3 dilute, but it is not the common acid properties

Learn more about acid

Answer 3

it will produce metal chlorides and hydrogen gas

Answer 4

nothing until you cover the test tube with another test tube then put a burning taper into the test tube with nothing in it, this is called a pop test