Acid , bases & salts
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Acids are chemical substances that have a sour taste and are present in both organic materials like plants and animals as well as being prepared from minerals in the earth. Mineral acids include hydrochloric acid, sulfuric acid, and nitric acid, though carbonic acid is also considered a mineral acid but is weak. Bases are chemical substances with a bitter taste that change red litmus to blue and are the chemical opposites of acids, being able to neutralize acids.
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- 2. ACIDS-acids are those chemical substances which have a sour taste. The acids present in plant materials and animals are called organic acids.
- 3. The acid prepared form the minerals of the earth are called minerals acids . Hydrochloric acids, sulphuric acid and nitric acid.
- 4. Please note that- the carbonic acid is also a minerals acid . But it is a weak acid. All the acid changes the color of blue litmus to red.
- 5. BASES Bases are those chemical substances which have a bitter taste. All the bases change the color of red litmus to blue.
- 6. -Bases are the chemical opposites of acids . -A base is a chemical substances which can neutralise an acid .
- 7. -Bases are the chemical opposites of acids . -A base is a chemical substances which can neutralise an acid .