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how are base taste and when did you say it basic
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how are base taste and when did you say it basic Related: Ant/Bee Sti...
1 Litmus paper test: blue litmus turns red when immersed in acidic solution, red litmus turns blue in basic/alkaline solution.
2 Liquid indicators (Methyl orange/red, bromothymol blue, phenolphthalein, indigo carmine) are able to change colour at a specific pH / range of pH.
3 Universal indicator: UI has a range of colours from red for pH 1 to purple for pH 14. It is usually used in either paper or solution form.
4 Electronic pH meters: they can provide a very accurate pH reading, track pH changes and plot pH curves but are usually very expensive.
5 Chemical tests: certain chemicals, such as acidic/basic oxides, will react with a basic and acidic solution respectively. However, there are far too many reactions to list down.
6 Human tests: only perform if safe to do so. An acidic substance will feel warm and taste sour, a basic substance will feel slippery and taste bitter.
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how are base taste and when did you say it basic Related: Ant/Bee Stings, Acids, Base and Salts, Class 7 Science
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