Computer · Building Materials
साधारण पोर्टलैंड सीमेंट (OPC) में निम्नलिखित में से कौन सा ऑक्साइड सबसे अधिक अनुपात में मौजूद होता है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1SiO 2
- 2CaO✓
- 3MgO
- 4Na 2 O
सही उत्तर देखें
CaO
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