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21oha lnh ds lekt dh Kku lacah ekaxksa ds vuq:i djsxk tks Kku izkIr djus ds fy, ykykf;r gSaA Welcome once again to the NIOS

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thesun168 In organic chemistry, an alkyne is an unsaturated hydrocarbon containing at least one carbon—carbon triple bond The simplest acyclic alkynes with only one