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. ...
Some Basic Concepts of Chemistry
Regarding the study of the phenomenon or the object, it is called the Vidya Vignan to get complete knowledge through observation and interpretation.
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| concepts of chemistry |
Rise of Chemistry:-
Chemistry is called chemistry in the English language and the word is derived from chemia = black, Mishra was called alchemy in ancient times. In the language of the word Mian Mishra, the black soil of this country was indicative of the fact that chemistry was first developed in Egypt, hence the word chemistry was used for it.
The composition of the universe: matter and energy
The universe is made up of two factors-
1) Energy, 2) matter
"The sum total of the universe and total energy of the universe is always stable."
Interrelationship in matter and energy is expressed by Einstein equation E = mc2 and mass energy can be converted into intervals.
1) Energy
The ability to work is called energy (energy is the ability to do work.)
2) matter
The place which falls a
Matter is found in three states-
1) Solid. 2) liquid. 3) gas
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