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. Arrange : N, F, Be, O [Increasing order of Non-metallic nature]
#2. Identify the acidic salt among the following
#3. The acid formed when sulphur is reacted with conc. nitric acid.
#4. Calculate the % of C, H and O in C3H8O is [C=12, H=1, O=16]
#5. Few drops of ammonium hydroxide solution is added to lead nitrate solution and then in excess.
#6. Identify A in the diagram adjacent to this question
#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. The element with maximum atomic size among- Na, Al, S, Cl
#9. The acid formed when SO3 dissoves in H2SO4
#10. Name the group which contains highly electronegative elements.
#11. A covalent neutral gaseous compound.
#12. In ammonium ion, the number of covalent bond, ionic bond and lone pairs of electrons respectively are:
#13. The product formed at the cathode when electricity is passed through copper sulphate solution using copper electrodes.
#14. Name a weakly basic hydride of group 13.
#15. The colour of ppt formed when NaOH solution is added to calcium nitrate solution
#16. The acid formed when sodium nitrate is heated with conc. sulphuric acid at a temperature below 200oC.
#17. Identify the compound with electrostatic force of attraction between the constituent atom/ions
#18. During the electrolysis of acidified water, the gas evolved at B is
#19. How non-metallic character of elements depends upon the nuclear charge?
#20. The compound which produce both ions and molecules in aqueous solution
#21. A ______ coloured ppt formed when ammonium hydroxide solution is added to ferrous sulphate solution.
#22. The gas formed when acid reacts with Na2S
#23. Identify the liquid non-polar covalent among the following
#24. 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.
#25. With the decrease in I.P the element becomes
#26. The electrode used during the electrolysis of molten lead bromide
#27. As the nuclear charge___________, the size of atom decreases.
#28. The acid formed by direct combination
