टेट्राएथिल लेड का उपयोग के – McqOptions

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1.	टेट्राएथिल लेड का उपयोग के रूप में किया जाता है
A.	दर्द निवारक
B.	अग्निशामक
C.	मच्छर मारक
D.	पेट्रोल योजक
Answer» B. अग्निशामक

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