Chemistry The anode of a dry cell is made up of Iron Zinc Cadmium Lead Iron Zinc Cadmium Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water Manganese Calcium None of these Magnesium Manganese Calcium None of these Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of covering water pipes made of Iron with Zinc layer to prevent corrosion is called : Alloy formation Galvanization Zinc plating Vulcanization Alloy formation Galvanization Zinc plating Vulcanization ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following ions , the colour is not due to d-d transition ? [Ti(H2O)6]3+ [Cu(NH3)4]2+ [CoF6]3+ [CrO4]2− [Ti(H2O)6]3+ [Cu(NH3)4]2+ [CoF6]3+ [CrO4]2− ANSWER DOWNLOAD EXAMIANS APP
Chemistry For a spontaneous chemical process, the free energy change is Zero Depends on whether the reaction is exothermic or endothermic Negative Positive Zero Depends on whether the reaction is exothermic or endothermic Negative Positive ANSWER DOWNLOAD EXAMIANS APP
Chemistry Name two elements that find wide application in transistor industry Carbon and Platinum Tungsten and Platinum Silicon and Germanium Iridium and Germanium Carbon and Platinum Tungsten and Platinum Silicon and Germanium Iridium and Germanium ANSWER DOWNLOAD EXAMIANS APP