MCQ Practice Science 📖 Which of the following is not a radio active metrial? ক plutoniumখ radiumগ sodiumঘ uranium 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 Previous Which of the following is not a part of the human eye? Next Which of the following is the main source of energy of the sun?