Chemical Elements | MCQs

    Q1: Helium was first found in:

    ہیلیم سب سے پہلے پایا گیا تھا
    • A. Sun Rays
    • B. None of these
    • C. Space
    • D. With the minerals

    Q2: Oxygen was discovered in the year:

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

    Q3: What element has an atomic number of 22 and a mass of 47.90?

    • A. Yttrium
    • B. Gold
    • C. Iron
    • D. Titanium
✅ Correct: 0 | ❌ Wrong: 0 | 📊 Total Attempted: 0