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6 Cards in this Set
- Front
- Back
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What methods can you use to check the pH of something? |
pH paper universal indicator pH meter |
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Acids? |
red,orange, yellow all contain H+ H+ > OH- made from non-metal oxides pH <7
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Alkalis? |
dark green, blue, purple All contain OH- OH- > H+ made from soluble metal oxides pH >7 |
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Neutral? |
ph = 7 green H+ =OH- insoluble metal oxides |
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Diluting acids? |
decreases H+ concentration pH increases towards 7 |
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Diluting alkalis? |
decreasing the concentration of OH- pH decreases towards 7 |
