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Chapter 14
Bases
Properties of bases:
Lots of hydroxide ionsOH-Taste bitterSlipperyCorrosive
pH greater than 7 (8 – 14)
Turns red litmus paper blue
Turns most indicators blue
Turns pink in the presence of phenolphthalein
Uses of Bases
Sodium Hydroxide NaOH
Production of : soapPaperDrain cleanerOven cleaner
Calcium Hydroxide Ca(OH)2
Cement
Mortar
Plaster
Ammonium Hydroxide NH4OH
Cleaners
Fertilizers
Magnesium Hydroxide Mg(OH)2
Antacids used to treat heartburn
Aluminum Hydroxide Al(OH)3
Deodorant
Strong vs. WeakSodium hydroxide NaOH
Calcium hydroxide Ca(OH)2
Potassium Hydroxide KOH
Ammonia NH4OHMagnesium hydroxide Mg(OH)2
Aluminum hydroxide Al(OH)3
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