Transcription of Notes ACIDS, BASES AND SALTS
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Notes ACIDS, BASES AND SALTS
Acids, BASES and SaltsSCIENCE AND TECHNOLOGY 154 NotesMODULE - 2 Matter in our Surroundings8 ACIDS, BASES AND SALTSFrom generations, our parents have been using tamarind or lemon juice to give shinylook to the copper vessels. Our mothers never store pickles in metal salt and sugar has often been used as an effective preservative. How didour ancestors know that tamarind , lemon, vinegar, sugar etc. works effectively? Thiswas common collective wisdom which was passed from generation to days, bleaching powder, baking soda etc. are commonly used in our must have used various cleaners to open drains and pipes and window panecleaners for sparkling glass. How do these chemicals work?
Tamarind T artaric acid 4. Sour milk Lactic acid. Acids, Bases and Salts 158 SCIENCE AND TECHNOLOGY Notes MODULE - 2 Matter in our Surroundings Points to ponder All hydrogen containing compounds are not acids Although Ethyl alcohol (C 2 H 5 OH) and glucose (C 6 H 12 O 6) contain hydrogen but do not
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