Computer · Building Materials
निम्नलिखित में से कौन सा घटक सीमेंट को शीघ्र जमने (quick setting) का गुण प्रदान करता है?
- 1एल्युमिना (Alumina)✓
- 2सल्फर ट्राइऑक्साइड (Sulphur trioxide)
- 3आयरन ऑक्साइड (Iron Oxide)
- 4सिलिका (Silica)
सही उत्तर देखें
एल्युमिना (Alumina)
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