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1. General Principle and process of isolation
STANDARD: XII- SCIENCE
SUBJECT : CHEMISTRY
MARKS : 3-4 MARKS
PROFESS : AZEEM SIR

2. In Periodic
table 80%
Metal.

3. Where this Metal
come from?
Rocks, sea, mine, crust

4. METALLURGY
GENERAL PRICIPLE AND PROCESS OF
ISOLATION

8.  Metal halide Soluble in water. Carried to lake and sea.
Dissolve in rain water.
Metal Sulphide occur in rocks and Metal halide in lakes.
Why?
 Metal Sulphide insoluble in water. Left behind in rocks.

11. HEMA MAa SI PIYE GOLI

12. CRYYON BOX IN CHINA
CLAY

13. MAGNESH and dolomi
kharide epsum namak

16. Concentration

19. Concentration

23. Working-

32. LACHING OF ALUMINA
FROM BAUXITE
BAYER’S PROCESS

33. filtered

34. Hall process
filtered

35. Leaching agent- Diluted solution of
NaCN or KCN in presence of air.

39. The process used to obtain
metal in free state from
concentrated ore is called
extraction.
EXTRACTION

49. Same diagram

53. Basic gangue
Acidic flux

64. feasibility

65. Gas

66. 1Gas

67. Gas

92. Column chromatography

107. Molten Al