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ACIDS AND BASES

ACIDS AND BASES. PH. THE PH SCALE. IS USED TO MEASURE HOW ACIDIC OR BASIC A LIQUID IS. THE SCALE RANGES FROM CLOSE TO 0 – 14 ACIDS RANGE FROM 0 - JUST BELOW 7 BASES RANGE FROM JUST ABOVE 7 – 14. lrs.ed.uiuc.edu... mihyewonimagespHdraw.gifpHdraw. ACIDS. RELEASE HYDROGEN (+) IONS INTO WATER

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ACIDS AND BASES

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  1. ACIDS AND BASES PH

  2. THE PH SCALE • IS USED TO MEASURE HOW ACIDIC OR BASIC A LIQUID IS. • THE SCALE RANGES FROM CLOSE TO 0 – 14 • ACIDS RANGE FROM 0 - JUST BELOW 7 • BASES RANGE FROM JUST ABOVE 7 – 14

  3. lrs.ed.uiuc.edu...mihyewonimagespHdraw.gifpHdraw

  4. ACIDS • RELEASE HYDROGEN (+) IONS INTO WATER • TASTES SOUR • ARE CORROSIVE • CONDUCTS ELECTRICITY

  5. BASES • RELEASE HYDROXIDE (OH-) IONS WHEN DISSOLVED INTO WATER • TASTE BITTER • ARE CORROSIVE • USED IN CLEANING SOLUTIONS (FEELS SLIPPERY) • ALKALI IS ALSO A WORD FOR BASE

  6. NEUTRAL • IS NOT AN ACID OR A BASE. • HAS A PH OF 7 • MOST LIQUIDS HAVE A PH OF CLOSE TO 7

  7. INDICATORS • USED TO FIND THE PH LEVEL • REACTS WITH ACID AND BASIC SUBSTANCES • PRODUCE COLORS THAT IDENTIFY THE PH • CABBAGE JUICE • LITMUS PAPER • UNIVERSAL INDICATOR httpwww.scientificsonline.comph-test-strips.html www.erowid.orgph-cabbage.jpg www.funsci.com/fun3_en/acids

  8. QUESTIONS???

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