Acid and Alkali

Acid and Alkali

1. chemical that dissolve in water can be but into 5 groups

   • strong acid
   • weak acid
   • nuetral
   • weak alkali
   • strong alkali

2. Acid

   • taste sour
     • vinegar
     • lemons
   • large concintration of hydrogen ions
   • strong acid
     • usuall corrosive
       • metal
       • flesh
     • solphic acid
       • battery acid
     • hydrocloric acid
       • stomach acid
   • weak acid
     • still be corrosive
     • found in foods
     • citric acid
       • citric fruits
     • malic acid
       • sweets

3. alkali

   • little hydorgen ions
   • hydroxide ions (oH)
   • dont react with metals
   • strong alkali
     • less comon
     • sodium hydrixide
       • caustic soda
   • weak alkali
     • more common
     • Gives bitter flavour
       • Coffe
       • Black tea
     • Sodium hydrogen carbonate
       • Baking powder
     • Ammonia
       • Used in fertiliser