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Q1. Which of the following is used in the manufacture of printing ink?
Q2. From among the following carbons, which one is of slippery nature?
Q3. Which of the following is used to cut a diamond?
Q4. What is the arrangement of carbon in a diamond?
Q5. Among the following which one is a chrystalline compound?
Q6. Among the following which one is a carbon compound?
Q7. What is the only element present in graphite and diamond?
Q8. Who discovered "Protons"?
Q9. Electrons in an atom was discovered by……….
Q10. "nucleus" was discovered by…..
Q11. Neutrons were discovered by……
Q12. The postulates of first atomic theoroy were given by…..
Q13. Water soluble bases are
Q14. Calcium Oxide is……….
Q15. The basicity of acetic acid is…..
Q16. What causes the sour taste in many of our food substances?
Q17. Which of the following is to be added for retardation of the process of setting of plaster of paris?
Q18. Percentage of gypsum in cement is........
Q19. Which of the following is very soft in nature?
Q20. Among the following which are liquid metals at room temperature?
Q21. Which one of the following is a liquid non metal?
Q22. Which is the hardest non metal from among the following?
Q23. Pick the most reactive metal from among the following?
Q24. Most of the metals act as .......
Q25. Which one of the following is NOT a lustrous non metal?
Q26. Among the following which one is the special feature of non metals?
Q27. The main field in which magnalium alloy is used……….
Q28. Which of the following alloy is used in the manufacture of aircraft parts?
Q29. Which of the following is used in manufacturing of ships?
Q30. The method used for the manufacture of Sulphur in large scale is….
Q31. Liquid Hydrogen is used in the field of……..
Q32. Among the following acids, which one performs the dehydration of flesh?
Q33. Ammonium Chloride is also known as…….
Q34. What is the other name for Sulphur?
Q35. The name for the process of electroplating of iron with zinc is.......
Q36. Oxygen and Hydrogen mixture is used as a fuel in…..
Q37. Refining of Aluminium is done by
Q38. Which of the following element is used in the Computers?
Q39. Which of the following element is used in the vulcanization of rubber process?
Q40. Carbon content of wrought iron is.........
Q41. Froth Floatation process is used in the concentration of………….. Ore
Q42. By which process the oxide ores are concentrated?
Q43. The non metallic oxides are ………… in nature
Q44. The constituents of 'solder' are…..
Q45. Of the following which one is used in the manufacture of skin ointments?
Q46. Among the following which one is used as a "fungicide"?
Q47. What is the nature of Sulphur dioxide?
Q48. What is the name for the process of manufacturing Ammonia?
Q49. Which of the following is used as a catalyst in the process of hydrogenation of oil to vanaspathi?
Q50. Anchors are manufactured with ....
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