
1. If a
reacts with acid the gas
is usually formed.
2. The gas can be tested for by using a
and the gas explodes with a pop!
3. The metal
reacts fast with acids and completely
in the acid. If all the metal 'disappears' it must have formed a
substance.
4. Acid attack on metals is an example of
, which can also be caused by the gas
dissolved in water.
5. The metal
does not readily react with acids and so can be used as a
material because it will not
away like iron.