BANK OF MCQs

1.         Transition metals elements make alloys with; a..S block elements b..P block elements c..F block elements d..All of these D 2.         There are two irregularities at3rd period atomic configurator, one is atomic number 24 and other is atomic number a..22 b..23 c..29 d..30 C 3.         Binding energy increase upto GVII and then decreases, in 3 rd period it increases upto a..Scandium b..Titanium c..Vanadium d..Chromium C 4.         Catalyst used in oxidation of ethanol to acetaldehyde is; a..Iron b..Vanadium oxide c..Titanium chloride d..Copper D 5.         Substances which have unaired electrons a..Paramagnetic b..Diamagnetic c..Ferromagnetic d..All of these A 6.         Percentage of copper in Gold is a..20-25 b..60-80 c

1.         Which one of the following has metallic radii? a) Sodium b) Magnesium c) Aluminium d) silicon D 2.         ionization energy of 3 rd period break down at a) Al and S b) Na and Mg c) Si and P d) Cl and Ar A 3.         Which one of the fsollowing is best conductor? a) Na b) Mg c) Al d) Si C 4.         Which one has high melting point? a) Na b) Mg d) Al d) Si D 5.         Which one has highest boiling point? a) Na b) Mg c) Al d) Si D 6.         Which one of the following has highest boiling point and melting point? a) P b) S c) Cl d) Ar B 7.         Which one of the following forma normal oxide and peroxide? a) Na b) Mg c) Al d) Si A 8.        

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Congratulations to all toppers . You can also download key and Solution in pdf. Add caption s.no Name marks position 1. Aanaya khan 45.00 / 60 2. Abdullah Nadeem 54.00 / 60 5th 3. Afifa Jamshed 43.00 / 60 4. Aftab Khan S/O Mujeeb Ur Rahman 51.00 / 60 8th 5. Ahmad 41.00 / 60 6. Ahsan Ali soomro 39.00 / 60 7. Ahsanfaramosh 36.00 / 60 8. Aiman khan 47.00 / 60 9. Aimen 43.00 / 60 10. Aisha Najeeb 35.00 / 60 11. Ameer malyar 33.00 / 60 12. Amjad Hussain 46.00 / 60 13. Amna 32.00 / 60 14. amna 56.00 / 60 3rd 15. ANEROBY 52.00 / 60 7th 16. Anum 38.00 / 60 17. Anusha tariq 26.00 / 60 18. Aqsa.. 39.00 / 60 19. Arohiii 46.00 / 60 20. Aurfa hassan 54.00 / 60 5th 21. Ayana 42.00 / 60 22. Ayana khan 48.00 / 60 23. Ayesha Sadia 47.00 / 60 24. Ayesha Umar 47.00 / 60 25. Bakhtawar mushtaq 46.00 / 60 26. Bilal shah 50.0