MCQ Practice Science 📖 Pure gold is/কত ক্যারেটবিশিষ্ট সোনা বিশুদ্ধ সোনা? ক 18-Caratখ 22-Caratগ 24-Caratঘ 26-Carat 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