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