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Uses of Acids
Acids have numerous uses, some of which include:
1. Steel used in construction is acid treated before painting. Dil. H2SO4 or HCl will remove any surface rust which would otherwise spread under the painted surface. Rust removal used to repair cars is dilute phosphoric acid, H3PO4
2. Baking powder contains tartaric acid.
3. ‘lime scale’ removers contain dil. acids. Lime scale is CaCO3 (also called furring).
4. A swasp sting is alkali, and may be neutralized with a weak acid (lemon juice or vinegar).
5. H2SO4 is used in the production of fertilizers, e.g., superphosphate of lime and ammonium sulphate.
6. H2SO4 is used in the manufacture of chemicals, example, HCl, HNO3, sulphate salts, synthetic detergents, dyes and pigments, explosives, and drugs.
6. Citric acid is used in the food/beverage industry for pH adjustment, acidity, preservation, stabilization of colours and flavours.
7. Citric acid is used In the pharmaceutical industry for effervescence, stabilization of ingredients and taste of pharmaceutical products.
The Concepts of Acids and Bases
What is Basicity of Acids
How to Determine Strength of Acids
Properties of Acids
Methods of Preparation of Acids
The BrØnsted-Lowry Concept of Acids And Bases
The Lewis Concept of Acids and Bases
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