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 13 days 100 years 0.01 minute 3 billion years 13 days 100 years 0.01 minute ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the naturally occuring heaviest element Uranium Protactinium Thorium Mercury Uranium Protactinium Thorium Mercury ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'Plaster of Paris' commonly used for setting broken bones is Calcium chloride Calcium sulphate Calcium nitrate Calcium carbonate Calcium chloride Calcium sulphate Calcium nitrate Calcium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Galena is a mineral of Iron Calcium Lead Gold Iron Calcium Lead Gold ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following metals provides amphoteric oxide ? Calcium Sodium Aluminium Silver Calcium Sodium Aluminium Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry All isotopes of the same element have ________ The same atomic number but different atomic masses Different atomic numbers and different atomic mass The same atomic number and the atomic mass Different atomic numbers and the same atomic mass The same atomic number but different atomic masses Different atomic numbers and different atomic mass The same atomic number and the atomic mass Different atomic numbers and the same atomic mass ANSWER DOWNLOAD EXAMIANS APP
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