pH scale

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UVQPOXJCYDAKZITXDOFA IQYHDZLOLLIBZLXJKXQY BYFKMISRXWEAUIZWSAMF NUBWOHYGBIASQBNPSUMI RDKCVZKPALJEHOLUHTOJ EVQZMHMDUMXKJGEHVPCV VKBWGCMLYIWHYHKZWQXB RESXAWNNELYZBKFRZXJX CAQWPNWNJZUVCUGTNIXW EOLZOLCJFJASOVQKBWVZ ZOIEMAIVBICXQPMGFHHO ZEYJPGDGNVIOSCMDKIPS ZNWCOVFHHODYQXQQVRCU ZUVLESDFIVTQEMUNTELA DBQFZJBVSIPGADMSVPAY EDQUPSORLNCSNTEWTARG SSLLHQXBCIDIBSJHXPTW RMQWHGFHXPZEJIIIFUUS UUVFSNNETERQEXTHDMET BPWMHCZKDUQQUUCJQYNK
1.
acid
2.
base
3.
pH
4.
paper
5.
neutral