the ph of it will not neutrelise the stomach acid.
Carbon dioxide levels are tested through the blood
limewater gets cloudy
limewater.
Indigestion.
Limewater is a solution made of Calcium Hydroxide and water. Calcium Hydroxide is found in things like oyster shells and bird eggs. There are many uses including food preparation, creating paint and topical medicines.
Limewater fizzes when blown into through a straw.
Calcium ydroxide is just another word for "Limewater". Limewater turns milky in the presence of Carbon Dioxide.
I expect you are asking what happens if carbon dioxide is bubbled through limewater. The limewater will become cloudy.
Indigestion is caused by an excess of stomach acid - causing 'Heart Burn.' Anti-indigestion tablets or liquids are used to neutralise the acid, and so relieve the symptoms of indigestion. There are many over the counter medicines that can be used. If the indigestion persists for several days, it could indicate something more serious. Possibly an ulcer - so see your doctor.
Remember that "indigestion" is a noun. You could say something like: "The tacos gave him indigestion" or "Indigestion can be caused by gulping food". It's frequently used in the objective case.
Hydrogen would have no discernable effect on limewater.
Limewater turns milky when CO2 gas is passed through it.