B. Find the valencies of the underlined elements or radicals in the fo – InterviewSolution

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B. Find the valencies of the underlined elements or radicals in the following compounds.BaCl,, PC13, PC15, NH3, MgSO4, CaCO3, Na,O, CaO, Ca(OH)2, FeSO4,FeCl3, Fe,O3, NaOH, Al(OH)3, Na,coz

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where is answer

how you get answers give an example of NaOH recurring on oh

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