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Acids have sour taste .
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They turn litmus to blue red
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the pH of their solutions is less than 7
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They produce H in aqueous solutions +
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Examples : 4 HCl - H SO HNO - H PO CH COOH 2 3 4 3 3
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Properties of bases
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bases have bitter taste .
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red They turn litmus to blue
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the pH of their solutions is more than 7
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They produce OH in aqueous solutions -
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Examples: NaOH - NH OH Ca ( OH ) - KOH 4 2
غانم احمد حسنين:
غانم احمد حسنين