SSC JE Electrical Engineering 10 Oct 2023 Shift 2 Paper

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Question : 76 of 200

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What are the basic components of Portland cement?

ZnSO₄, CaCl₂, Al₂(SO₄)₃, CuSO₄
CaOCl₃, MgSO₄, Al₂(SO₄)₃, ZnSO₄
CaCl₂, MgCl₂, Al₂(SO₄)₃, ZnSO₄
CaO, SiO₂, Al₂O₃, Fe₂O₃

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