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    				| 1. | 
                                    Which of the following is a redox reaction ?(a) 2FeCl3 + SnCl2 ➝ 4 2FeCl2 + SnCl4(b) AsNO3 + HCl ➝ AsCl + HNO3(c) 2Kl + Pb(NO)3 ➝ 2KNO3 +Pbl2(d) BaCl2 + H2SO4 ➝ BaSO4 + 2HCl | 
                            
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Answer»  (a) 2FeCl3 + SnCl2 → 4FeCl2 + SnCl4  | 
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