प्रशीतक के रूप में वायु का संख्यात्मक चिन्ह क्या है?

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SSC JE ME Previous Paper 10 (Held on: 11 December 2020 Morning)
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  1. 717
  2. 718
  3. 729
  4. 744

Answer (Detailed Solution Below)

Option 3 : 729
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Thermodynamics for All AE/JE ME Exams Mock Test
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Detailed Solution

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वर्णन:

प्रशीतकों का नामावली:

प्रशीतन 

चिन्ह 

उदाहरण 

 

पूर्ण रूप से संतृप्त हाइड्रोकार्बन यौगिक 

(freon)

 

R - (m-1)(n + 1)p

n + p + q = 2m + 2

Cm HnFp Clq

R - 11 = CFCl3 ;

R - 22 = CHF2Cl

R - 12 = CF2Cl(Freon12)

R- 134 = C2H2F4 पर्यावरण हितैषी (कोई क्लोरीन नहीं)

असंतृप्त हाइड्रोकार्बन 

(freon)

 

R - 1(m-1)(n + 1) p

n + p + q = 2m

Cm HnFp Clq

R-1150 = C2H4

अकार्बनिक यौगिक 

R - (700 + Mol वजन)

R-717 = NH3 , 

R-744 = CO2

R-764 = SO2 , 

R-729 = वायु

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