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pH- skalaen

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Frøya Grøndal

on 26 March 2014

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Transcript of pH- skalaen

Skala fra 0-14
Viser pH- verdi på en løsning
0-6/7= syrer
7= nøytral
8-14= base
Jo surere, desto lavere pH- verdi
Sterkt surt: 0-2
Svakt surt: 3/5
Nøytralt: 7
Svakt basisk: 8-10
Sterkt basisk: 11-14
Måle pH
- Indikator papir
Frukter og grønnsaker
- Rødkål
- Blåbær
- Kirsebær

For å måle pH
Farge på papir, forteller hilke pH
Syre, base, basisk, sur, nøytral, svak
Tellus 8
pH- skala er en skala som viser hvor høy ph en løsning har
For å finne ut ph til en løsning, kan du bruke en indikator
Generelt om pH- skalaen
PH- skalaen
Full transcript