G8 Synthesis and Analysis - Alkalis

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Alkalis are used to treat heartburn and indigestion. They are sometimes called .
Some chemical antacids are soluble in water - they are called alkalis.

What makes a solution alkaline?
Alkalis are ionic solids. They are made from metal ions and hydroxide ions. When they dissolve they add ions to the water - these are what make the solution alkaline.

Neutralisation.
In a neutralisation reaction, the ions from the acid react with the ions from the alkali and together they make . The remaining ions make the .