You can identify whether a solution is acidic or basic by taste, acidic solutions should taste sour and basic solutions should taste bitter. This method of identification is obviously unrecommended as strong acid and base solutions are corrosive, and thus dangerous when in contact with the skin, or any other body part.
A more scientific way to identify acid and base is by using a litmus paper (kertas lakmus), litmus papers are red and blue colored paper strips used to identify acid and base. If the red paper turns blue, then it is basic; if the blue paper turns red, then it is acidic; and if neither changes, then it is neutral.
Litmus papers has a pH range of 4.5-8.5, which means it can only identify the solutions acidity if it is below 4.5 pH or above 8.5 pH; if you need a more accurate measurement, you can use a universal indicator, this works the same as litmus paper strips, but it has a wider pH range of 1.2-10.0.
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[ans]You can identify whether a solution is acidic or basic by taste, acidic solutions should taste sour and basic solutions should taste bitter. This method of identification is obviously unrecommended as strong acid and base solutions are corrosive, and thus dangerous when in contact with the skin, or any other body part.
A more scientific way to identify acid and base is by using a litmus paper (kertas lakmus), litmus papers are red and blue colored paper strips used to identify acid and base. If the red paper turns blue, then it is basic; if the blue paper turns red, then it is acidic; and if neither changes, then it is neutral.
Litmus papers has a pH range of 4.5-8.5, which means it can only identify the solutions acidity if it is below 4.5 pH or above 8.5 pH; if you need a more accurate measurement, you can use a universal indicator, this works the same as litmus paper strips, but it has a wider pH range of 1.2-10.0.