Acid gives off hydrogen gas if it is hydrogen containing acid.
Often Hydrogen gas but not always. Copper and nitric acid can for example give NO2
oxygen
Hydrogen gas is given off when metal reacts with acid. e.g. Zn + 2HCl ------> ZnCl2 + H2
When an acid reacts with a metal it produces a salt and hydrogen gas.
Hydrogen gas is given out when sodium hydroxide reacts with a metal.
A salt and hydrogen gas is produced. Effervesence can be observed.
If the acid is hydrochloric acid, then the gas is hydrogen.
A salt. The type of salt depends on the type of acid.
Hydrogen
hydrogen
hydrogen gas
Hydrogen gas.
hydrogen gas
A salt and hydrogen gas