Physics · Building Materials
निम्नलिखित में से किस पदार्थ को मिलाने से सीमेंट का प्रारंभिक जमाव काल (setting time) बढ़ जाता है?
- 1कैल्शियम सल्फेट
- 2सोडियम ऑक्साइड
- 3कैल्शियम क्लोराइड
- 4जिप्सम (Gypsum)✓
सही उत्तर देखें
जिप्सम (Gypsum)
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