MCQ Practice Chemistry 📖 কোনটি অধাতু ? Favorite Practice Add to Book Explanation & Answer Detailed explanations and answers are restricted. Unlock full access by logging in to your account. 🔒 Unlock the detailed explanation and answers Log In / Sign Up This question appeared in BCSMT - [General knowledge] 40Question 12 BCSMT - [General knowledge] 40Question 12 Previousকোনো একটি নমুনা পানির BOD (Biochemical Oxygen Demand ) 3 mg/L হলে নমুনা পানিটি সম্পর্কে সঠিক? Nextকোনটি অক্সাইড অম্লীয়?
