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  1. S

    Chrmistry Paper 1 IGCSE oct/nov 13 Discussion + Poll

    It was D it has came in a past papers prolly mayjune 2009 papr 1 :0
  2. S

    Chemistry Paper 3 IGCSE Oct.Nov. 2013 Discussion

    its 1.32 g 0.004 moles of Agno3 then multiply it with 2 cox it was 2 moles of agno3 0.008 then moles of k2cr2o7 divide by2 0.004 multiply by 332g given in the qstn da answr is 1.32
  3. S

    Chemistry Paper 3 IGCSE Oct.Nov. 2013 Discussion

    1:It was E and D Cox Covalent Molecules Are not able to conduct electricity either in aq or solid. 2:It was like a tough one u can gain the first mark by stating that it is a photochemical process the other two marks are like silver is reduced cucl is oxidised to cucl2 sumthin like dat now lets...
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