Civil Services UPSC EPFO (APFC) Mock Test 2023 General Science Chemistry Solutions

ନାଇଟ୍ରୋଜେନର ପରମାଣବିକ ବସ୍ତୁତ୍ଵ 14 ଏବଂ ହାଇଡ୍ରୋଜେନର ପରମାଣବିକ ବସ୍ତୁତ୍ଵ 1 | ତେବେ ଆମୋନିଆର ପରମାଣବିକ ବସ୍ତୁତ୍ଵ କ’ଣ ହେବ?

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