Which of the following pairs of metals are supposed to constitute the internal core of the earth? Earth Mcqs February 23, 2019 BILAL KHATTAK0 A.Chromium B.Nickel and iron C.Iron and copper D.Magnesium and leadRelated Mcqs:Inner core of the earth contains:Inconel is an alloy containingNichrome are alloys ofNichrome containsStellite containsNichrome wire is an alloy of __________?Invar is an alloy ofSolder is an alloy consisting of _________________?Out of the following metals the least permissible percentage in drinking water isPermalloy is