PETROLEUM (पेट्रोलियम) Petrol At some places in nature, a thick, viscous and dark colored liquid is found under the rock, which mainly contains aliphatic hydrocarbons up to C 1 to C 40 , this fluid is called refined oil or petroleum. The word petroleum is derived from the Latin words petra and olium which is found under rocks within the earth, hence it is also called mineral oil. Within the earth, this fluid floats above the salt solution. A gas atmosphere exists along with the floating petroleum inside the Earth, which is called natural gas. Petroleum is also called liquid gold. In the present era, this fluid is more valuable than gold for any nation. The progress of any nation depends to a large extent on how much petroleum it has. Its use is very important in various tasks like agricultural industry, traffic communication etc. This oil is found in the highest amount in the United States. Russia Venezuela is also found in greater quantities in Mexico, Burma etc. ...
Avogadro's Hypothesis आवागेद्रो संकल्पना Avogadro's Hypothesis Based on the concept of Dalton and Gallusak, Burginius told that - "The same amount of atoms in the same volume of gases should be equal in the same conditions of heat and pressure." But this assumption was contrary to Dalton's atomism. Believe there is a reactions - H 2 + Cl 2 , → 2HCl That is, according to old atomism, 1 atom H 2 , 1 atom acts by Cl 2 and gives two combined atomic HCl. Therefore, 1 / ...
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