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. The colour of ppt formed when NaOH solution is added to calcium nitrate solution
#3. Number of elements present in the lanthanide series.
#4. The product formed at the cathode when electricity is passed through copper sulphate solution using copper electrodes.
#5. A covalent compound which ionises in water.
#6. Identify the acidic salt among the following
#7. In period 3, melting and boiling points of elements increase till_________.
#8. As the nuclear charge___________, the size of atom decreases.
#9. A ______ coloured ppt formed when ammonium hydroxide solution is added to ferrous sulphate solution.
#10. The element with maximum atomic size among- Na, Al, S, Cl
#11. The electrolyte used during the electrorefining of copper
#12. In ammonium ion, the number of covalent bond, ionic bond and lone pairs of electrons respectively are:
#13. Identify the weak base among the following
#14. 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.
#15. Identify the liquid non-polar covalent among the following
#16. How non-metallic character of elements depends upon the nuclear charge?
#17. Compounds which do not allow electricity to pass through it.
#18. Due to the _______, covalent compounds are non-conductor of electricity.
#19. The acid formed when SO3 dissoves in H2SO4
#20. The % of C in C3H8 [C=12, H=1]
#21. Identify A in the diagram adjacent to this question
#22. The compound which produce both ions and molecules in aqueous solution
#23. 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 _______.
#24. Name the group which contains highly electronegative elements.
#25. During the electrolysis of acidified water, the gas evolved at B is
#26. When few drops of sodium hydroxide solution are added to ferric chloride solution a ______ ppt of _____ is formed.
#27. The acid formed when sodium nitrate is heated with conc. sulphuric acid at a temperature below 200oC.
#28. Name a weakly basic hydride of group 13.
#29. Few drops of ammonium hydroxide solution is added to lead nitrate solution and then in excess.
#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]
