User contributions for 093073224
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25 November 2010
- 17:1717:17, 25 November 2010 diff hist 0 Acid No edit summary
- 17:1617:16, 25 November 2010 diff hist +124 N Acid Created page with 'pH value lower than 7. It is a substance that will react with base to neutralize to H<sub>2</sub>O + salt'