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Carbon dioxide.

Ant-acid tablets contain magnesium carbonate.

If you wish to take one because, of acidosis/reflux/ indigestioin. Then the ant-acid tablet reacts with the excess acid in the stomach, to neutralise the acid.

The human stomach as part of the normal digestion process produces hydrochloric acid. You only know about this when you vomit(throw up/ be sick), because of that horrible burning sensation in the oesophagus, throat, and mouth.

THe magnesium carbonate reacts with hydrochloric acid to produce the salt (magnesium chloride) , water and carbons dioxide.

Here is the balanced reaction equation.

2HCl(aq) + MgCO3(aq) = MgCl2(aq) + H2O(l) + CO2(g) [ burp!!!!] .

Common chalk (CaCO3) will do the same job, but there is the horrible chalky taste on swallowing.

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lenpollock

Lvl 16
1y ago

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