Chemistry Which gas emitted by power stations causes acid rain? Carbon dioxide Nitrogen Sulphur dioxide Helium Carbon dioxide Nitrogen Sulphur dioxide Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of covering water pipes made of Iron with Zinc layer to prevent corrosion is called : Galvanization Zinc plating Alloy formation Vulcanization Galvanization Zinc plating Alloy formation Vulcanization ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is a sublime substance? Iodine Table salt Sugar Potassium Iodide Iodine Table salt Sugar Potassium Iodide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following has greatest mass ? Electron Hydrogen nucleus Neutron Proton Electron Hydrogen nucleus Neutron Proton ANSWER DOWNLOAD EXAMIANS APP
Chemistry The total energy of revolving electron in an atom Can never be positive Will always be positive Cannot be negative Can have any value above zero Can never be positive Will always be positive Cannot be negative Can have any value above zero ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical composition of cement is Clay and Gypsum Limestone and Gypsum Limestone, Clay and Gypsum Limestone and Clay Clay and Gypsum Limestone and Gypsum Limestone, Clay and Gypsum Limestone and Clay ANSWER DOWNLOAD EXAMIANS APP