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From where does we extract litmus to be used as indicator.1 pointLichensFungiAlgae​

Answer»

ACID: Taste of acid is sour. There are many substances that contain acid and so taste sour. For example – LEMON, curd, pickles, orange juice, vinegar, etc.Substances that taste sour are called acidic. The chemical NATURE of such substance is KNOWN as ACIDIC.The word acid comes from Latin ‘ACERE’ which MEANS sour.BASE: Taste of base is bitter. Substances that contain base taste bitter. For example; soap or soap solution, baking soda, washing soda, etc.The chemical nature of substances that contain base is known as BASIC.



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