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एक प्रथम कोटि का विशिष्ट अभिक्रिया वेग 10-2 s-1 है। 20 g अभिकारक के 5 g तक होने में कितना समय लगेगा? 

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एक प्रथम कोटि का विशिष्ट अभिक्रिया वेग 10-2 s-1 है। 20 g अभिकारक के 5 g तक होने में कितना समय लगेगा? 

(a) 238.65

(b) 138.6s 

(c) 346.5s

(d) 693.05

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1 Answer

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सही विकल्प है (b) 138.6s 

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