6. Acid can react with a) bases to produce salts and water b) metals to produce salts and hydrogen gas c) carbonates to produce salts , carbon dioxide gas and water
25. pH is actually a measurement of the concentration of hydrogen, H+ in a solution The higher the concentration of the H+ ions, the lower the pH value, and more acidic the solution is The higher the concentration of the OH¯ ions, the higher the pH value and the more alkaline solution the solution is.
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30. EDITED BY : NoorLailibintiMohamad Elias D20091034948 ISMP KIMIA 2009/2010 Thank you