[j0kar]

Guys I really cant figure this one out and dont really know how to solve this assingment I got:

Which of the following reactions (starting materials mentioned) produce gaseous reaction products
Sodium hydrogen carbonate + nitric acid.
Calcium carbonate + nitric acid.
Ethanol + oxygen.
Ethanol + acetic acid.
Decomposition of hydrogen peroxide.
Magnesium and hydrochloric acid.

Any help is much appreciated

[Mitch]

Start by writing a balanced chemical equation.