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 acid formed when SO3 dissoves in H2SO4
#2. Calculate the % of C, H and O in C3H8O is [C=12, H=1, O=16]
#3. Due to the _______, covalent compounds are non-conductor of electricity.
#4. Identify the weak base among the following
#5. 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]
#6. Few drops of ammonium hydroxide solution is added to lead nitrate solution and then in excess.
#7. The % of C in C3H8 [C=12, H=1]
#8. As the nuclear charge___________, the size of atom decreases.
#9. Identify A in the diagram adjacent to this question
#10. How non-metallic character of elements depends upon the nuclear charge?
#11. Compounds which do not allow electricity to pass through it.
#12. The element with maximum atomic size among- Na, Al, S, Cl
#13. Arrange : N, F, Be, O [Increasing order of Non-metallic nature]
#14. Identify the compound with electrostatic force of attraction between the constituent atom/ions
#15. A covalent neutral gaseous compound.
#16. Identify the liquid non-polar covalent among the following
#17. Name a weakly basic hydride of group 13.
#18. Number of elements present in the lanthanide series.
#19. 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 _______.
#20. During the electrolysis of acidified water, the gas evolved at B is
#21. 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.
#22. A covalent compound which ionises in water.
#23. A ______ coloured ppt formed when ammonium hydroxide solution is added to ferrous sulphate solution.
