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 element with maximum atomic size among- Na, Al, S, Cl
#2. The electrode used during the electrolysis of molten lead bromide
#3. During the electrolysis of acidified water, the gas evolved at B is
#4. Identify the liquid non-polar covalent among the following
#5. A covalent compound which ionises in water.
#6. A covalent neutral gaseous compound.
#7. The gas formed when acid reacts with Na2S
#8. The acid formed when sodium nitrate is heated with conc. sulphuric acid at a temperature below 200oC.
#9. How non-metallic character of elements depends upon the nuclear charge?
#10. The colour of ppt formed when NaOH solution is added to calcium nitrate solution
#11. Identify the weak base among the following
#12. Number of elements present in the lanthanide series.
#13. The compound which produce both ions and molecules in aqueous solution
#14. The electrolyte used during the electrorefining of copper
#15. Name a weakly basic hydride of group 13.
#16. Identify A in the diagram adjacent to this question
#17. In ammonium ion, the number of covalent bond, ionic bond and lone pairs of electrons respectively are:
#18. The non volatile acid among the following
#19. 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]
#20. The acid formed when sulphur is reacted with conc. nitric acid.
#21. When few drops of sodium hydroxide solution are added to ferric chloride solution a ______ ppt of _____ is formed.
#22. Compounds which do not allow electricity to pass through it.
#23. Few drops of ammonium hydroxide solution is added to lead nitrate solution and then in excess.
