1.

Whichof the following compounds are administered as antacids ?

Answer»

Sodium CARBONATE
Sodium hydrogencarbonate
Aluminium carbonate
Magnesiumhydroxide

SOLUTION :Antacid is a subtance which neutralizes excess of acid in stomach.
The chemical formula of sodium hydrogen carbonate is `NaHCO_(3)` it is often used as an antacid because it neutralises excess of HCl secreated from the WALLS of stmach.
`NaHCO_(3)(s) + HCl(aq) rarr NaCl(aq) + H_(2)O(l) + CO_(2)`
However, excessive hydrogen carbonate can make the stomach alkaline and trigger the production of EVEN more acid.
Milk of magnesia, which is an aqueous solution of magnesium hydroxide is ALSO used as an antacid.


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