Waec 2019 Chemistry Obj & Essay Answer Now Available.

May 3, 2020 Kazeem 0

CHEMISTRY OBJ1-10 DABCADACBD11-20 BABCACDADD21-30 ABCCDABCDD31-40 DBBDBBADAC41-50 DABDABCABA 1a)(i)High temperature of 4500C or more(ii)High pressure(iii)Catalyst (1b)(i)For decoration(ii)For protection against corrosion (1c)(i)Calcium oxide(CaO) is alkaline and HCl […]

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