The types of substance that is tends to be acidic are substance with PH lower than 7.
- An acid can be regarded as molecule that can donate protons, this us referred as Brønsted–Lowry acid, or that can produce a covalent bond with an electron pair i.e Lewis acid.
- One of the properties of acid is that it turn blue litmus paper to red, and has a sour taste.
- To determine an acid, pH scale is helpful.
- pH scale can be regarded as one used to to determine the acidity or basicity of an aqueous solution.
- Acidic solutions are one with pH of (0-6), while alkaline has pH of (8-14) on this scale.
Examples of acids substance are;
- inorganic substances such as sulfuric and nitric, hydrochloric,
- organic compounds such as carboxylic acid, sulfonic acid
Therefore, substance with lower pH are regarded to be acidic.
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