मिथेन
thumb|250px|mithen ki sanrachana mithen (aangrezi: Methane) ek rasayanik yaugik hai. yah alken shreni ka pratham sadasy aur prakritik gais mean bhi shamil rahata hai. yah sabase sadharan haidrokarban hai, jisaka rasayanik sootr CH4 hai. ek rangahin tatha gandhahin gais hai jo eeandhan ke roop mean upayog ki jati hai. yah prakritik gais ka mukhy ghatak hai.
khoj
prithvi ke vayumandal mean mithen ke ghanatv mean 1750 ee. ke bad se lagabhag 150 pratishat ki vriddhi huee hai. yah ek grin haus gais hai. mithen gais ki khoj sabase pahale navanbar 1776 mean itali aur svitjaralaiand ke vaijnanik elesandro volta ne ki thi. unhoanne maigior jhil ke daladal mean is gais ki pahachan ki thi.mithen koyala khanoan mean ikattha ho jati hai jisase visphot evan ag lagane ki ghatanaean ho sakati haian. sodiyam esotet ko sodiyam haidr aaukasaid tatha kailsiyam aauksaid ke sath garm karake mithen gais banaee jati hai.
bhautik gun
- yah rangahin gais hai.
- jal mean aviley hai.
- vayu se halki hoti hai.
- grin haus prabhav paida karati hai.
- sanpidit prakritik gais (sienaji) mean mukhyat: mithen hoti hai.
rasayanik gun
- yah vayu mean nile lau ke sath jalati hai aur karban daiaauksaid, jal aur b di matra mean ooshma (55,000 kilo jool prati kilogram) utpatr karati hai.
upayog
- mithen ka upayog gharoan evan udyogoan donoan mean gaisiy eeandhan ke roop mean kiya jata hai, kyoanki yah jalane par badi matra mean ooshma utpatr karati hai.
- ajakal isaka vyapak roop mean upayog svachalit vahanoan visheshakar basoan, karoan evan ato riksha ko chalane ke lie kiya ja raha hai.
- yah kajal (kajjal karban) banane ke lie upayog mean ati hai.
- mithen ka upayog bahut b di sankhya mean karbanik yaugikoan ke nirman mean kiya jata hai, jinaka upayog ghareloo evan udyogoan mean kiya jata hai.
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tika tippani aur sandarbh
sanbandhit lekh
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varnamala kramanusar lekh khoj
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