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chemistry 14 chemistry facts
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Q.1. Which catalyst are used for synthesis of NH3 by Haber's process?
Q.2. Which catalyst is used for synthesis of vanaspati ghee by Hydrogenation?
Q.3. Which catalyst is used for synthesis of H2SO4 by contact process?
Q.4. Which catalyst is used for synthesis of H2SO4 by Lead chamber process?
Q.5. Which catalyst is used in preparation of Ether from Alcohol?
Q.6. Which catalyst is used in preparation of Chlorine gas by Deacon process ?
Q.7. Who invented dynamite?
Q.8. Dynamite is prepared using?
Q.9. What is full form of TNT?
Q.10. What is full form of TNB?
Q.11. What is full form of TNP?
Q.12. Tri-Nitro-Phenol is also known as?
Q.13. What is full form of RDX?
Q.14. Age of fossils and archealogical excavation is determined by?
Q.15. Which substance has maximum refractive index?
Q.16. Diamond has lusture due to?
Q.17. Which poisonous gas is formed by chloroform in sunlight?
Q.18. Which substance is used to decrease basicity of soil?
Q.19. Which mineral is used in preparation of telcom powder?
Q.20. Which substance is most suitable for removal of permanent hardness of water?
Q.21. Which substance is used to prevent melting of ice?
Q.22. On heating dry ice is converted to?
Q.23. Saccharine is prepared from?
Q.24. What is formula for laughing gas?
Q.25. What is the percentage of calcium phosphate in bones?
Q.26. Which gas is used in voyage as holmes signal?
Q.27. Which gas bleaches the color of flower?
Q.28. Which chemical is used in match industry?
Q.29. What is the content of nitrogen in urea?
Q.30. Which chemical is used in electroplating of vessels?
Q.31. Power alcohol is prepared by mixing?
Q.32. Which chemical is used as rocket fuel?
Q.33. Artificial perfumes are prepared from?
Q.34. Which was the first organic compound synthesised in laboratory?
Q.35. What is the percentage of ascetic acid in vinegar?
Q.36. Which chemical is used to stop bleeding?
Q.37. Which substance is responsible for green color in fireworks?
Q.38. Which substance is used in solar cells?
Q.39. Which phosphorous is kept in water?
Q.40. Vitamins are lost in food preparation while?
Q.41. Which gases are used cylinders for artificial respiration?
Q.42. Which substance is used to dcrease freezing point in cold places?
Q.43. Which substance is used for oil paintings?
Q.44. Sodium is kept in?
Q.45. Which is the heaviest element?
Q.46. Which element is lightest, least dense and most reductant?
Q.47. Which is the most oxidising agent?
Q.48. Which is the best conductor of electricity?
Q.49. Which is the heaviest gas?
Q.50. Which element has maximum number of isotopes?
Q.51. Which acid is known as oil of vitriol?
Q.52. Ag, Au, Pt, Ir, Hg, Pd, Rh, Ru, and Os are known as?


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