Chemistry The gas that causes suffocation and death when coal or coke is burnt in a closed room is Carbon monoxide Ethane Methane Carbon di-oxide Carbon monoxide Ethane Methane Carbon di-oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals can displace copper from copper sulphate solution ? Iron Platinum Gold Mercury Iron Platinum Gold Mercury ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following mineral does not contain oxygen ? Haematite Bauxite Calcite Cryolite Haematite Bauxite Calcite Cryolite ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following ions , the colour is not due to d-d transition ? [Cu(NH3)4]2+ [Ti(H2O)6]3+ [CrO4]2− [CoF6]3+ [Cu(NH3)4]2+ [Ti(H2O)6]3+ [CrO4]2− [CoF6]3+ ANSWER DOWNLOAD EXAMIANS APP
Chemistry The manufacture of iron from iron ore involves the process of Reduction Fractional distillation Oxidation Electrolysis Reduction Fractional distillation Oxidation Electrolysis ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gobar gas contains mainly : Propylene Acetylene Ethylene Methane Propylene Acetylene Ethylene Methane ANSWER DOWNLOAD EXAMIANS APP