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    				| 1. | 
                                    a) Name two metals which can be refined by van Arkel Method. b) Match the items of Column I with items of Column II.Column IColumn IIi) Bauxitea) Zincii) Malachiteb) Ironiii) Calaminec) Copperiv) Magnetited) Aluminiume) Lead | 
                            
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Answer»  a) Zirconium (Zr) or Titanium (Ti) b) i – d; ii – c; iii – a; iv – b  | 
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