What are the practical applications of neutralisation reactions?
- Being alkaline in nature, cold milk is used to neutralise the acidity produced by HCl present in the gastric juice in the stomach.
- Astronauts in space ships use this reaction to neutralise the dangerous levels of CO2.
- Farmers add slaked lime (calcium hydroxide) to reduce acidity of soil.
- Sting of ants and bees contains formic acid. This can be neutralised by rubbing soap, which contains free sodium hydroxide.
- Persons suffering from acidity are given antacid tablets, containing magnesium hydroxide which neutralises excess HCl produced, in stomach. Alternately, they are advised to sip cold milk, which neutralises HCl.
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