Chemistry The following are the half lives of four active isotopes. Which one of the following is the most dangerous to handle? 3 billion years 0.01 minute 100 years 13 days 3 billion years 0.01 minute 100 years 13 days ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following compounds is commonly used as an antiseptic in mouthwashes and toothpastes ? Borax Sodium chloride Saltpetre Hydrogen peroxide Borax Sodium chloride Saltpetre Hydrogen peroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the lightest element in the periodic table Hydrogen Carbon Helium Oxygen Hydrogen Carbon Helium Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a renewable source of energy ? Uranium Natural gas Geothermal powder Coal Uranium Natural gas Geothermal powder Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry A subshell with l=2 can take up 5 electron 10 electron 3 electron 8 electron 5 electron 10 electron 3 electron 8 electron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of covering water pipes made of Iron with Zinc layer to prevent corrosion is called : Galvanization Vulcanization Alloy formation Zinc plating Galvanization Vulcanization Alloy formation Zinc plating ANSWER DOWNLOAD EXAMIANS APP