Bihar Board 10th VVI Questions

Bihar Board 10th Science 100 VVI Question 2027: अभी रट लो ये 100 महत्वपूर्ण प्रश्न, परीक्षा में आएंगे!

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Bihar Board 10th Science 100 VVI Question 2027: अभी रट लो ये 100 महत्वपूर्ण प्रश्न, परीक्षा में आएंगे! mybseb.com Bihar Board 10th Science 100 VVI Question 2027: 1. संगमरमर का रासायनिक सूत्र है: (A) MgCO3 (B) CaO (C) CaCO3 (D) CuSO4 Hint: संगमरमर को कैल्शियम कार्बोनेट (CaCO3) कहा जाता है, जो चूना पत्थर और खड़िया … Read more