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