Acids and Alkailis-Basics

• ACIDS
  

Acids are compounds that when dissolved into water,gives a solvent with pH value less than 7. Acids has sour taste,strong acids produces a stinging feeling when in contact,strong acids reacts strongly,corrodes many metals.Acids also conducts electricity,and turns litmus paper red.

Taken from: http://en.wikipedia.org/wiki/Acids

• Alkali

Alkali are compounds that when dissolved into water,gives a solvent with pH value more than 7. Acids has bitter taste,strong alkali gives a slimy feeling when in contact,strong alkali reacts strongly to acidic substances.Alkali also turns litmus paper blue.

Taken from: http://en.wikipedia.org/wiki/Base_%28chemistry%29