Acids and Bases
Acids
•   Turns litmus paper red
•   Contain the element hydrogen
•   Are called proton (H+) donors
•   When placed in wat...
Bases
•   Turns litmus paper blue
•   Contain a hydroxide ion OH-
•   Are called proton (H+) acceptor
•   The hydroxide io...
pH scale
• Measures the amount of hydrogen ion in
  solution (H+)
     0 - < 7 is acidic
     > 7 -14 is basic
     7 is n...
Formation of Salts
• When an acid and base are mixed, it is called
  a neutralization reaction.

A neutralization reaction...
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Acids And Bases

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Acids And Bases

  1. 1. Acids and Bases
  2. 2. Acids • Turns litmus paper red • Contain the element hydrogen • Are called proton (H+) donors • When placed in water break apart to form hydrogen ions H+
  3. 3. Bases • Turns litmus paper blue • Contain a hydroxide ion OH- • Are called proton (H+) acceptor • The hydroxide ion combines with the hydrogen ion to form water OH- + H+  H2O
  4. 4. pH scale • Measures the amount of hydrogen ion in solution (H+) 0 - < 7 is acidic > 7 -14 is basic 7 is neutral
  5. 5. Formation of Salts • When an acid and base are mixed, it is called a neutralization reaction. A neutralization reaction produces salt and water. H+ Cl- + Na+OH-  H2O + NaCl

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