Bihar Board Class 10th Science Question & Answer
Bihar Board Class 10th Science Question & Answer Science Question & Answer (Chapter Wise) 1. रासायनिक अभिक्रियाएँ और समीकरण | Chemical Reactions and Equations 2. अम्ल, क्षार एवं लवण | Acids, Bases and Salts 3. धातु और अधातु | Metals and Non-metals 4. कार्बन और इसके यौगिक | Carbon and Its Compounds 5. तत्वों के …
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