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.
QUIZ START
#1. Compounds which do not allow electricity to pass through it.
#2. Which of the following is not seen during the electrolysis of copper sulphate solution
#3. During electrolysis of copper sulphate solution using Cu electrodes
#4. Cu2+ + 2e-→ Cu , this reaction can be seen at
#5. During the refining of Cu, Ag and Au, the impurities which remain get collected as a muddy deposit near the anode. This is called
#6. The cathode reaction during electroplating of Ni
#7. The process of extraction of metal by electrolysis
#8. The compound which can react with both acid and bases
#9. [Cu(NH3)4]SO4 is a _____ salt.
#10. The base which is soluble in ammonium hydroxide
#11. The base which is soluble ammonium hydroide
#12. The most acidic oxide among the following
#13. The most reactive halogen
#14. The alkali metal which can form covalent bond
#15. The alkaline earth element which can form covalent bond
#16. Compound which provides the maximum number of ions
#17. The amphoteric oxide among the following
#18. Strongest base among the following
#19. Most electrovalent compound
#20. HClO4 is formed by dissolving ______ in water
#21. The bond formed between two atoms by sharing of pairs of electrons, provided by one of combining atoms.
#22. Conditions for formation of ionic compounds
#23. Due to strong electrostatic force of attraction between the ions, ionic compounds are
#24. Conditions for the formation of coordinate bond
#25. Acid which furnishes three hydronium ions per molecule
#26. An electrolyte with degree of dissociation more than 30%
#29. Colour of phenolphthalein in acidic solution
#30. Methyl red turns ______ in NaOH solution.
#31. Colour of universal indicator at pH 7
#32. Strong acid + weak base produce a ________solution.
#33. Salts formed by partial replacement of the ionisable hydrogen atoms of a polybasic acid by a metallic ion or an ammonium ion.
#34. __________ are normally weak organic acids and bases which are used to identify whether a solution is acidic or alkaline.
#35. The ion which produce a yellow coloured solution
#36. The reaction which produce a gelatinous white ppt
#37. The cation which cannot produce a ppt when treated with ammonium hydroxide solution
#38. A compound contains 28.16% Mg, 16.23% N and 55.61% O. Its molecular weight is 172. [Mg=24, N=14, )=16]
#39. A compound contains 30.75% K, 44.04% O and the rest Sulphur. [K=39, O=16, S=32].Its molecular weight 254.
#40. A compound contains 18.87% Na, 6.65% Mg, 43.85% S, 30.64% O. Its molecular weight is 365. The molecular formula of the compound is
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