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? In this lesson we willtry to find answers to these questions.
define salts and describe their methods of preparation; correlate the nature of salt and the pH of its aqueous solution; describe the manufacture and use of baking soda, washing soda, plaster of paris and bleaching powder. 8.1 ACIDS AND BASES For thousands of years, people have known that vinegar, lemon juice, Amla, tamarind
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