This MCQ test includes the chapters- Periodic Properties and variations of Properties, Chemical Bonding, Study of Acids, Bases and Salts, Analytical Chemistry, Mole concept and stoichimetry and electrolysis
It is of 40 Marks and is of 60 mins.
Results
#1. The compound which produce both ions and molecules in aqueous solution
#2. The gas formed when acid reacts with Na2S
#3. The product formed at the cathode when electricity is passed through copper sulphate solution using copper electrodes.
#4. The electrode used during the electrolysis of molten lead bromide
#5. The element with maximum atomic size among- Na, Al, S, Cl
#6. In period 3, melting and boiling points of elements increase till_________.
#7. Determine the molecular formula of the compound formed by 48.97%C, 6.165%H, 28.56%N and the rest O. [C=12, O=16, H=1, N=14]
#8. Identify the liquid non-polar covalent among the following
#9. Metals like Hg, Au, Ag, Cu does not liberate hydrogen when reacted with dilute sulphuric acid as they are ______ hydrogen in the metal activity series.
#10. The non volatile acid among the following
#11. Name the group which contains highly electronegative elements.
#12. Identify the weak base among the following
#13. The acid formed when SO3 dissoves in H2SO4
#14. A covalent compound which ionises in water.
#15. Identify the compound which form this ppt
#16. A ______ coloured ppt formed when ammonium hydroxide solution is added to ferrous sulphate solution.
#17. Name a weakly basic hydride of group 13.
#18. The acid formed by direct combination
#19. Identify the compound with electrostatic force of attraction between the constituent atom/ions
#20. The electrolyte used during the electrorefining of copper
#21. As the nuclear charge___________, the size of atom decreases.
#22. The acid formed when sulphur is reacted with conc. nitric acid.
#23. Calculate the % of C, H and O in C3H8O is [C=12, H=1, O=16]
#24. The type of compound formed due to the complete transfer of electrons from one atom of an element to one atom of another element is called _______.
#25. Due to the _______, covalent compounds are non-conductor of electricity.
#26. During the electrolysis of acidified water, the gas evolved at B is
#27. The % of C in C3H8 [C=12, H=1]
#28. A covalent neutral gaseous compound.
#29. Identify the acidic salt among the following
#30. How non-metallic character of elements depends upon the nuclear charge?
