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Khub.info Learn TNPSC exam and online pratice
Q1. Converting crude oil into several fractions is known as........
Q2. Of the following which one is known as "Soapless Soap"?
Q3. From the following pick the chemical name for clay?
Q4. Of the following which one is used to make gaskets?
Q5. Of the following which one is acidic in nature?
Q6. Isobutane is a good example of .....
Q7. From the following pick an example of explosive?
Q8. The characteristic property of an inorganic compoiund is/are………
Q9. Of the following which one is a natural fibere?
Q10. Of the following which one is a synthetic fibre/
Q11. What is the organic compound present in gum benzoin?
Q12. What is the organic compound present in rancid butter?
Q13. Sodium Chloride in alcohol forms a …………solution
Q14. Sodium Chloride overgrows in alcohol and is termed as ....
Q15. Sodium Chloride in water forms a .......solution
Q16. Of the following which one is termed as alloys?
Q17. The Tyndall effect happens in which of the following?
Q18. Electro negative character is least in which of the following?
Q19. Hydrogen in palladium is a good example of .......
Q20. Which of the following hydrogen hallide will be in liquid state at ordinary temperature?
Q21. Of the following halogens, which one is used in the production of DDT and dettol?
Q22. Argon mixed with what is used in filling electric lamps?
Q23. By what method rare gases from liquid air is extracted?
Q24. Radon is produced by the radioactive disintegration of which of the following?
Q25. Which one of the following is a chemically inert element?
Q26. Of the following which one is used in meterological balloons?
Q27. Of the following which one exhibits ionic bond?
Q28. Which of the following glasses cuts off the ultraviolet rays harmful to the eyes?
Q29. Sodium benzene lauryl sulphate is .....
Q30. From the following which one is used for salting out soap?
Q31. Fats and oils contain…………
Q32. What is the product obtained when acetylene undergoes polymerization?
Q33. What is formed when Ethylene undergoes polymerization?
Q34. Naphthalene is a ........ compound.
Q35. Saturated organic compounds contain……
Q36. Who described the concept of electrolyte in water?
Q37. An electrolyte depends on …………for the degree of dissociation.
Q38. At infinite dilution, the degree of dissociation would be…….
Q39. Chlorine forms ........…………with hot concentrated alkali.
Q40. Of the following halogens, which one is considered as the "solid member" of the halogen family?
Q41. Why halogens do not exist in nature in free state?
Q42. What is the gas liberated when an aqueous solution of chlorine is exposed to sunlight?
Q43. Which of the following tests is the confirmatory test for chlorides?
Q44. Of the following acids, which one is the weakest?
Q45. Of the following halogens which one is used in the preparation of poisonous gases like Phosgene, Tear and Mustard gas?
Q46. Of the following which one is highly stable?
Q47. Of the following halogens which one is very unreactive?
Q48. ........ reacts with hydrogen even in the dark.
Q49. What is the other name for ore producers?
Q50. What is the other name for Salt producers?
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