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Dashrath Patel

पीतल ( Brass) के संबंध में कौन सा कथन सत्य है
Cu + Zn(70%+30% )
Cu+ Zn( 50%+50%)
Cu+ Zn (60%+40%)
Cu+Zn(80%+20%)

Civil Services Entrance Exams-Medium-Hindi SSC(CHSL) Railway Group D PET SSC(CGL) Chemistry General Study (GS) General Science UPPSC

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