Chemistry · S-Block Elements
निम्नलिखित में से किस पदार्थ को मिलाने से सीमेंट के जमने (setting) का समय बढ़ जाता है या धीमा हो जाता है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1मिट्टी (Clay)
- 2पोटाश (Potash)
- 3चूना पत्थर (Limestone)
- 4जिप्सम (Gypsum)✓
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जिप्सम (Gypsum)
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