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Khub.info Learn TNPSC exam and online pratice
Q1. What is the chemical reaction that take place in a Daniel Cell?
Q2. What is the shape of methane?
Q3. Of the following glasses, which one has low co-efficient thermal expansion?
Q4. Which of the following types of glasses darkens when exposed to sunlight?
Q5. What is the bye-product obtained from the manufacture of soap?
Q6. Which of the following fractions of petroleum is used for dry cleaning?
Q7. What is the method used to refine petroleum?
Q8. Westron is.......
Q9. What reaction takes place between methane and chlorine in diffused light?
Q10. Along with Ethers, which of the following is a functional isomer?
Q11. Which instrument is used for detecting current?
Q12. Of the following which one has a duplet configuration?
Q13. In the earth's atmosphere, which of the following noble gases is abundantly present?
Q14. How many number of netrons are present in deuterium?
Q15. In the manufacture of robes and fabrics, which of the following petrochemical product is used?
Q16. Of the following which one is used for making blankets and sweaters?
Q17. Pick the one known as "Black Gold"
Q18. Which of the following is used for welding and cutting of metals?
Q19. Alkaline Potassium Permanganate is also known as........
Q20. From the following which one is used for preservation and ripening of fruits like bananas and mangoes?
Q21. From among the following which one is considered as the first member of alkane family?
Q22. What are the elements present in alkane?
Q23. Pick the alicyclic compound from the following.
Q24. Who proposed the "Vital Force Theory"?
Q25. From the following mark an example of an aromatic hydrocarbon?
Q26. What is formed when ethers are exposed to air?
Q27. Which was the first organic compound to be prepared in the laboratory?
Q28. From the following mark an example for heterocyclic compound?
Q29. From the following mark an example for aliphatic compound?
Q30. In which of the following, the colloidal solution of silver protected by gelatin is used?
Q31. What is the term for the property of scattering of light by colloidal particles?
Q32. What is the cause/nature of the bleaching action of moist chlorine?
Q33. Of the following which one was used as a poisonous gas during the First World War?
Q34. From the following gases which one is used in advertisement signboards?
Q35. The group which contains the noble gas elements in the periodic table is…..
Q36. The other term for Noble gas is.......
Q37. Which inert gas is used for producing a very low temperature?
Q38. From the following which one is chemically inert element?
Q39. Of the following inert gases which one is used in airport landing fields and in beacon lights?
Q40. Methane gas is an example of......
Q41. From the following mark an example of high melting solid
Q42. Refractories are .......materials with high melting point
Q43. Of the following which one exhibit ionic bond?
Q44. The mathematical expression PV=nRT relates to.......
Q45. The pressure of gas measured by………………
Q46. What happens to the volume of a gas when the pressure is increased at constant temperature?
Q47. What is the value of 1 atmosphere?
Q48. What is the first element in the periodic table?
Q49. From the following mark an example of alkali metal?
Q50. From the following mark an example of inert gas?
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