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Q: The major cement oxides are सीमेंट का प्रमुख ऑक्साइड है -
  • A. CaO, Al₂O₃, Fe₂O₃ and SiO₂ CaO, Al₂O₃, Fe₂O₃ और SiO₂
  • B. Na₂O, K₂O, MgO and SO₃ Na₂O, K₂O, MgO और SO₃
  • C. CaO and SiO₂/CaO और SiO₂
  • D. CaO and MgO/CaO और MgO
Correct Answer: Option A -
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Explanations:

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