Pak Exam MCQs
A. Sodium (Na)
B. Magnesium (Mg)
C. Coper (Cu)
D. Chlorine (Cl)
Answer & Solution
Option: A
Explanation :Metals can be ordered according to their reactivities.
1. Potassium (K) 2. Sodium (Na) 3. Calcium (Ca) 4. Lithium (Li) 5. Magnesium (Mg) 6. Aluminum (Al) 7. Zinc (Zn) 8. Iron (Fe) 9. Nickel (Ni) 10. Tin (Sn) 11. Lead (Pb) 12. Copper (Cu)13. Mercury (Hg) 14. Silver (Ag) 15. Gold (Au) 16. Platinum (Pt)
Explanation :Metals can be ordered according to their reactivities.
1. Potassium (K) 2. Sodium (Na) 3. Calcium (Ca) 4. Lithium (Li) 5. Magnesium (Mg) 6. Aluminum (Al) 7. Zinc (Zn) 8. Iron (Fe) 9. Nickel (Ni) 10. Tin (Sn) 11. Lead (Pb) 12. Copper (Cu)13. Mercury (Hg) 14. Silver (Ag) 15. Gold (Au) 16. Platinum (Pt)
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