Chemistry · Chemistry in Everyday Life
पोर्टलैंड सीमेंट में उपस्थित मुख्य ऑक्साइड/घटक निम्नलिखित में से कौन-से हैं?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1MgO और Al2O3
- 2Al2O3 और Fe2O3
- 3SiO2 और Fe2O3
- 4SiO2 और CaO✓
सही उत्तर देखें
SiO2 और CaO
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