Thursday, 19 March 2015

Acids

What is an acid?

  • An acid is a solution that has an excess of H+ ions. It comes from the Latin word acidus that means "sharp" or "sour".
  • The more H + ions, the more acidic the solution.


Properties of an Acid

  • Tastes Sour
  • Conduct Electricity
  • Corrosive, which means they break down certain substances. Many acids can corrode fabric, skin,and paper
  • Some acids react strongly with metals
  • Turns blue litmus paper red


 Uses of Acids

  • Acetic Acid = Vinegar
  • Citric Acid = lemons, limes, & oranges. It is in many sour candies such as lemon head & sour patch.
  • Ascorbic acid = Vitamin C which your body needs to function.
  • Sulfuric acid is used in the production of fertilizers, steel, paints, and plastics.
  • Car batteries
Q:
   Name some strong acids and the pH values?

 


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