CBES Board Class 10 MCQ Quiz Hub

CHEMICAL INDUSTRIES MCQS

Choose a topic to test your knowledge and improve your CBES Board Class 10 skills

1. Process in which metal ions are reduced to free metals is called




2. Ore of iron is called




3. Ore of silicon is called




4. The boiling point of lubricating oil is




5. Process in which some minerals are converted to the oxide by heating in the air at a temperature below their melting point is called




6. The boiling point of fuel oil is




7. Number of carbon atoms per molecule in lubricating oil is




8. Crude oil is converted into useful products by




9. Ore of chromium is called




10. Which of the following is used as a fuel for power stations factories and ships?




11. Which of the following is used as a fuel for buses trucks and trains?




12. The percentage of nitrogen (N) in urea (CH4N2O) is




13. Metallic compounds that occur naturally are called




14. Compounds which are added in the soil to provide essential elements to plants are called




15. The boiling point of naphtha is




16. Which of the following used in paving roads and making roofing material?




17. The process of separating metal from ore is called




18. Which of the following is used as a fuel for motor cars and vehicles?




19. Ore of aluminum is called




20. Number of carbon atoms per molecule in naphtha are MCQ:




21. Number of carbon atoms per molecule in bitumen are




22. Solvay process is used to make




23. The raw materials for the Solvay process include




24. Naturally occurring metallic compounds are called




25. The last step of metallurgy is




26. Ore of sodium is called




27. The fertilizer which doesnt affect the texture of the soil is




28. In magnetic separation magnets are used to separate




29. Which of the following is used as a lubricant for machines and engines?




30. Ore of lead is called




31. Number of carbon atoms per molecule in LPG is




32. The boiling point of LPG is




33. The third step of the Solvay process is




34. Number of carbon atoms per molecule in kerosene is




35. Process in which sodium carbonate is manufactured is called




36. Raw materials for production of urea are




37. Process in which mineral is separated from the gangue by some physical method is called




38. The process in which metal is separated from its ore and prepared for use is called




39. Ore of zinc is called




40. The boiling point of petrol is




41. Ore of tin is called




42. The second step of metallurgy is




43. When earths crust is drilled the hydrocarbon came out first is




44. The fourth step of the Solvay process is




45. Number of carbon atoms per molecule in diesel is




46. What are the raw materials used in the Solvay process?




47. The boiling point of bitumen is




48. The process of smelting involves the




49. Which of the following is used as cylinder gas for cooking? MCQ:




50. Third step of metallurgy is




51. Which of the following is used as a chemical feedstock for making drugs plastics and other chemicals?




52. Number of carbon atoms per molecule in Petrol is




53. Ore of mercury is called




54. Ore of copper is called




55. Number of carbon atoms per molecule in fuel oil is




56. The process of converting minerals into oxides is called




57. The color of crude oil is




58. The second step of the Solvay process is




59. The first step of the Solvay process is




60. The fifth step of the Solvay process is




61. Which of the following is used as a fuel for jet planes?




62. The boiling point of kerosene is




63. The first step of metallurgy is