Procedure to identify acid ,base , and , neutral
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We can identify acid, base or neutral by Acid - Base Indicator. It is a dye which changes colour when it comes in contact with acid or base. It gives different colour for acids and different for bases. Ex - Litmus, Phenopthalein etc.
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A solution with a pH of 7 is classified as neutral. If the pH is lower than 7, the solution is acidic. When pH is higher than 7, the solution is basic. These numbers describe the concentration of hydrogen ions in the solution and increase on a negative logarithmic scale.You can also use a litmus paper.
if the paper turns from blue to red it is acidic if it turns red to blue it is basic and if it does not turn into any colour it is neutral
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