Oxygen | MCQs

    Q1: Oxygen was discovered in the year:

    آکسیجن کس سال میں دریافت ہوئی
    • A. 1774
    • B. none of these
    • C. 1988
    • D. 1779

    Q2: Choose correct spelling. Oxygin, Oxygen, Oxegen

    • A. Oxygen
    • B. Oxygin
    • C. All are wrong
    • D. Oxegen
✅ Correct: 0 | ❌ Wrong: 0 | 📊 Total Attempted: 0