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chemistry 11 metallurgy
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Page 1
Q.1. The process of extracting a metal in pure form from its ore is known as?
Q.2. The compounds of metals found in nature are known as?
Q.3. The minerals from which metal can be economically and easily extracted are known as?
Q.4. The earthy impurities like sand, rocks and limestone present in ore are known as?
Q.5. A subsatnace added to ore to remove impurities is known as?
Q.6. What are the different types of flux?
Q.7. Acidic flux is added to remove?
Q.8. Basic flux is added to remove?
Q.9. Combination of gauge and flux in ore is known as?
Q.10. The process of removal of gauge from the ore is known as?
Q.11. What are the different methods for concentration of ore?
Q.12. The process in which ore is heated, generally in the absence of air , to expel water from hydrated oxide or carbon dioxide from a carbonate at temperature below their melting point, is known as?
Q.13. The process in which ore is heated usually in the presence of air, at temperatures below its melting point, is known as?
Q.14. The reduction of oxide ore with carbon at high temperature is known as?
Q.15. Chile Saltpeter is an ore of?
Q.16. What is chemical formula of Chile Saltpeter?
Q.17. Trona is an ore of?
Q.18. What is chemical formula of Trona?
Q.19. Borax is an ore of?
Q.20. What is chemical formula of Borax?
Q.21. Common Salt is an ore of?
Q.22. What is chemical formula of Common salt?
Q.23. Bauxite is an ore of?
Q.24. What is chemical formula of Bauxite?
Q.25. Corundum is an ore of?
Q.26. What is chemical formula of Corundum?
Q.27. Felspar is an ore of?
Q.28. What is chemical formula of Felspar?
Q.29. Cryolite is an ore of?
Q.30. What is chemical formula of Cryolite?
Q.31. Alunite is an ore of?
Q.32. What is chemical formula of Alunite?
Q.33. Kaolin is an ore of?
Q.34. What is chemical formula of Kaolin?
Q.35. Nitre (salt peter) is an ore of?
Q.36. What is chemical formula of Nitre (salt peter)?
Q.37. Carnalite is an ore of?
Q.38. What is chemical formula of Carnalite?
Q.39. Magnesite is an ore of?
Q.40. What is chemical formula of Magnesite?
Q.41. Dolomite is an ore of?
Q.42. What is chemical formula of Dolomite?
Q.43. Epsom salt is an ore of?
Q.44. What is chemical formula of Epsom salt?
Q.45. Kieserite is an ore of?
Q.46. What is chemical formula of Kieserite?
Q.47. Calcite is an ore of?
Q.48. What is chemical formula of Calcite?
Q.49. Gypsum is an ore of?
Q.50. What is chemical formula of Gypsum?
Q.51. Fluorspar is an ore of?
Q.52. What is chemical formula of Fluorspar?
Q.53. Asbestus is an ore of?
Q.54. What is chemical formula of Asbestus?
Q.55. Strontianite is an ore of?
Q.56. What is chemical formula of Strontianite?
Q.57. Silestine is an ore of?
Q.58. What is chemical formula of Silestine?
Q.59. Cuprite is an ore of?
Q.60. What is chemical formula of Cuprite?
Q.61. Copper Glance is an ore of?
Q.62. What is chemical formula of Copper Glance?
Q.63. Copper pyrites is an ore of?
Q.64. What is chemical formula of Copper pyrites?
Q.65. Ruby Silver is an ore of?
Q.66. What is chemical formula of Ruby Silver?
Q.67. Horn Silver is an ore of?
Q.68. What is chemical formula of Horn Silver?
Q.69. Calaverite is an ore of?
Q.70. What is chemical formula of Calaverite?
Q.71. Sylvanite is an ore of?
Q.72. What is chemical formula of Sylvanite?
Q.73. Barytes is an ore of?
Q.74. What is chemical formula of Barytes?
Q.75. Zinc Blende is an ore of?
Q.76. What is chemical formula of Zinc Blende?
Q.77. Zincite is an ore of?
Q.78. What is chemical formula of Zincite?
Q.79. Calamine is an ore of?
Q.80. What is chemical formula of Calamine?
Q.81. Cinnabar is an ore of?
Q.82. What is chemical formula of Cinnabar?
Q.83. Casseterite is an ore of?
Q.84. What is chemical formula of Casseterite?
Q.85. Galena is an ore of?
Q.86. What is chemical formula of Galena?
Q.87. Stibenite is an ore of?
Q.88. What is chemical formula of Stibenite?
Q.89. Greenocite is an ore of?
Q.90. What is chemical formula of Greenocite?
Q.91. Bismuthite is an ore of?
Q.92. What is chemical formula of Bismuthite?
Q.93. Haemetite is an ore of?
Q.94. What is chemical formula of Haemetite?
Q.95. Lemonite is an ore of?
Q.96. What is chemical formula of Lemonite?
Q.97. Magnetite is an ore of?
Q.98. What is chemical formula of Magnetite?
Q.99. Siderite is an ore of?
Q.100. What is chemical formula of Siderite?
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