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  • compounds

    • 1.

      What are Alcohols

      by Dr.Badruddin Khan - 2008-08-13
      Alcohols are organic compounds derived from hydrocarbons (organic compounds composed of only carbon and hydrogen). They are formed by replacing the hydrogen atoms in their parent hydrocarbons with on...
    • 2.

      Environmental Impact and Health Effects of Boron

      by Dr.Badruddin Khan - 2008-09-19
      Boron is a non metallic element and the only non-metal of the group 13 of the periodic table of the elements. It is electron-deficient, possessing a vacant p-orbital. It has several forms, the most c...
    • 3.

      Environment Impact and Health Effects of Rubidium

      by Dr.Badruddin Khan - 2008-09-19
       Rubidium is a chemically reactive, silvery-white metallic element of the alkali metals' group. It is one of the most electropositive and alkaline elements. Rubidium was discovered spectroscopically...
    • 4.

      How Likely is Zinc to Cause Cancer?

      by Dr.Badruddin Khan - 2008-09-23
      Zinc is one of the most common elements in the Earth's crust. It is found in air, soil, and water, and is present in all foods. Pure zinc is a bluish-white shiny metal. Zinc has many commercial uses ...
    • 5.

      Extraction of Sodium and Uses of Its Important Compounds

      by Dr.Badruddin Khan - 2008-10-27
      Sodium compounds had been known for some time prior to 1807, when English chemist Sir Humphrey Davy (1778-1829) succeeded in isolating sodium itself. The element is represented by a chemical symbol (...
    • 6.

      Importance of Functional Groups in Organic Chemistry

      by Dr.Badruddin Khan - 2008-10-31
      While organic chemistry is considered as the branch of chemistry in which the compounds of carbon are studied,  the name organic goes back to a much earlier time in history when chemists thought th...
    • 7.

      How Concrete Can be Made Stronger and More Durable?

      by Dr.Badruddin Khan - 2008-11-04
      Concrete is an artificial engineering material made from a mixture of Portland cement, water, fine and coarse aggregates together with a small amount of air. It is among the most widely used  mater...