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it contains a base (alkali) and so helps to neutralise excess stomach acid.
precipitated Fe(OH)3 = ferric hydroxide or Fe(OH)4-(aq) = ferrate anion in solution, when in excess of hydroxide
Increase the hydroxide concentration in the acid by adding an excess of any alkali solution
Alkaline. Magnesium Hydroxide (commonly known as Milk of Magnesia) is usually used to treat excess stomach acidity.
Ammonium hydroxide dissolves anything that is less strong than itself. The white precipitate of zinc hydroxide is not the whole component. Therefore, it is not as strong.
indigestion tablets neutralise excess stomach acid
caustic soda
Most medications include antacids, which are weak bases (e.g. calcium carbonate, aluminum hydroxide, magnesium hydroxide) to neutralize excess stomach acid.
it contains a base (alkali) and so helps to neutralise excess stomach acid.
Because the calcium carbonate in the antacids help neutralise the excess acid in the stomach which is causing the discomfort.
precipitated Fe(OH)3 = ferric hydroxide or Fe(OH)4-(aq) = ferrate anion in solution, when in excess of hydroxide
The products are magnesium chloride and water.
Increase the hydroxide concentration in the acid by adding an excess of any alkali solution
The reaction of zinc nitrate and excess sodium hydroxide begins with precipitation of zinc hydroxide ( Zn(OH)2 ), followed by dissolvement after adding excess sodium hydroxide ( 2 OH- ) to formation of zinc aat-ions ( [Zn(OH)4]2- )
If it is in water (supposedly meant by questioneer), the pH value is below 7.0, so it is an acid solution: more H+ than OH-
One such salt would be aluminum chloride since it is soluble but when reacted with ammonium hydroxide, the insoluble aluminum hydroxide forms a precipitate. Not sure what is meant by "is insoluble in excess", however.
aluminum hydroxide magnesium hydroxide simethicon