Chemistry The noble gas used in radiotherapy is Radon Xenon Neon Argon Radon Xenon Neon Argon ANSWER DOWNLOAD EXAMIANS APP
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 Main source of lead pollution is from Insecticides Tobacco Sewage Leaded gasoline Insecticides Tobacco Sewage Leaded gasoline ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases is most toxic ? Sulphur dioxide Chlorine Carbon monoxide Carbon dioxide Sulphur dioxide Chlorine Carbon monoxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following has the highest lattice energy KF RbF CsF NaF KF RbF CsF NaF ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical(s) most commonly used for cloud seeding or ‘artificial rainmaking’ is/are Sodium Chloride Silver Iodide All listed here Dry ice or frozen carbon dioxide Sodium Chloride Silver Iodide All listed here Dry ice or frozen carbon dioxide ANSWER DOWNLOAD EXAMIANS APP