8) एक प्रथम कोटि की अभिक्रिया में 20% वियोजन होने में 40 मिनट लगते हैं । अर्धायु की गणना कीजिए
(log10 = 1, log(10)2 = 0.3010)
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areee yaar question english me pucho
ask in english
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please question ko English mein puchi Hai Mujhe Maloom Nahin Hai . this is the question of Maths then please ask in maths language
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