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. During the electrolysis of acidified water, the gas evolved at B is
#2. The colour of ppt formed when NaOH solution is added to calcium nitrate solution
#3. 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.
#4. When few drops of sodium hydroxide solution are added to ferric chloride solution a ______ ppt of _____ is formed.
#5. As the nuclear charge___________, the size of atom decreases.
#6. A ______ coloured ppt formed when ammonium hydroxide solution is added to ferrous sulphate solution.
#7. Few drops of ammonium hydroxide solution is added to lead nitrate solution and then in excess.
#8. With the decrease in I.P the element becomes
#9. The % of C in C3H8 [C=12, H=1]
#10. Identify the weak base among the following
#11. Identify the acidic salt among the following
#12. A covalent neutral gaseous compound.
#13. A covalent compound which ionises in water.
#14. The compound which produce both ions and molecules in aqueous solution
#15. The element with maximum atomic size among- Na, Al, S, Cl
#16. The electrode used during the electrolysis of molten lead bromide
#17. Name a weakly basic hydride of group 13.
#18. Identify the compound with electrostatic force of attraction between the constituent atom/ions
#19. Number of elements present in the lanthanide series.
#20. Due to the _______, covalent compounds are non-conductor of electricity.
#21. Arrange : N, F, Be, O [Increasing order of Non-metallic nature]
#22. The gas formed when acid reacts with Na2S
#23. The non volatile acid among the following
#24. The product formed at the cathode when electricity is passed through copper sulphate solution using copper electrodes.
#25. The electrolyte used during the electrorefining of copper
#26. How non-metallic character of elements depends upon the nuclear charge?
#27. In period 3, melting and boiling points of elements increase till_________.
#28. The acid formed when sodium nitrate is heated with conc. sulphuric acid at a temperature below 200oC.
#29. The acid formed by direct combination
#30. 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]
#31. The acid formed when sulphur is reacted with conc. nitric acid.
#32. Name the group which contains highly electronegative elements.
#33. Calculate the % of C, H and O in C3H8O is [C=12, H=1, O=16]
#34. 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 _______.
#35. In ammonium ion, the number of covalent bond, ionic bond and lone pairs of electrons respectively are:
#36. The acid formed when SO3 dissoves in H2SO4
#37. Identify the compound which form this ppt
#38. Compounds which do not allow electricity to pass through it.
