Transcription of Notes ACIDS, BASES AND SALTS
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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.
Methyl orange red orange yellow colourless colourless pink. 157 Acids, Bases and Salts SCIENCE AND TECHNOLOGY Notes MODULE - 2 Matter in our Surroundings Acid Base INTEXT QUESTION 8.1 1. Put the following substances in acid or base bottle. (a) Milk of magnesia (b) gastric juice in humans (c) soft drinks
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