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Unfortunately, Mr. M. Subramanian, who maintained this website lost his battle to cancer and passed away in July, 2019. The database has over 50,000 questions. If you are interested in purchasing the website/database, please reach out using the form here.
Khub.info Learn TNPSC exam and online pratice
Q1. Which of the following process is used to prepare ether?
Q2. The general formula of ethers is........
Q3. 2-butanol is an example of .....
Q4. Which of the following is an example of secondary alcohol?
Q5. The IUPAC name of tertiary butyl alcohol is ......
Q6. Alcohol is a/an....... of electricity.
Q7. Which product is obtained by the hydrolysis process of animal fat?
Q8. Formic acid is present in which of the following?
Q9. Ethanol is used as an…….
Q10. Denatured alcohol contains ...... Methanol
Q11. Of the following which one is used for preservation of food?
Q12. Pyroligneous acid is a mixture of......
Q13. A mixture of ether and dry ice is used as ......
Q14. Butan - 2-ol is a .....
Q15. The produce derived from ethanaol reacting with bleaching powder is/are….
Q16. Fermented liquid is technically called as .....
Q17. The dark syrup left over after the crystallisation of sugar is called……..
Q18. Ethanol is oxidi9sed to acetic acid by.......
Q19. Which of the following is found in butter?
Q20. From the following organic compounds which one is used for making electrical switches?
Q21. Of the following which one is a constituent of cough syrup?
Q22. The number of carboxylic acid groups present in malonic acid is…..
Q23. What will be the output when iropropyl alcohol is passed over copper at 573?
Q24. Of the following which one gives effervescence with sodium bi carbonate?
Q25. The IUPAC name of diethylketone is........
Q26. Ratio of NaOH and CaO found in soda lime is........
Q27. What will be the produce when ethanol reactrs with bleaching powder and water?
Q28. Of the following enzymes, which one is used to convert sucrose into glucose and fructose?
Q29. The conversion of ethyl alcohol into acetaldehyde by passing over copper at 573 K is called as ......
Q30. The mixture of 25% ethanol and 75% petrol is called as…….
Q31. Acetone is used as/in
Q32. In soap molecule, the short head is made of .....
Q33. Which of the following is used to preserve dead bodies?
Q34. By dehydration of alcohol, which of the following is formed?
Q35. Heating acetic acid with………. gives acetamide.
Q36. Esters have...... smell
Q37. What organic compound is used in the synthesis of rubber?
Q38. Ammoniacal silver nitrate changes formaldehyde to......
Q39. A valuable medicine manufactured by condensation of formaldehyde with ammonia is......
Q40. The catalyst used in the preparation of formaldehyde is........
Q41. What percentage of ethanol is found in Beer?
Q42. Ammonium salts are added to serve as ..... .... ..... In the fermentation of molasses.
Q43. Which of the following compounds is present in soap?
Q44. Which of the following is added to keep the washing powder dry?
Q45. Of the following which one is used as a catalyst in the manufacture of acetic acid?
Q46. Acetic acid is soluble in water due to......
Q47. Which of the following is used in internal comcustion engines?
Q48. Molasses is converted to ethanol at ....... Temperature.
Q49. What is the term for the process of milk turning to curd?
Q50. What is Tollen's reagent?