Chemistry The heaviest naturally occurring element is: Polonium Mercury Thorium Uranium Polonium Mercury Thorium Uranium ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the mass percentage of carbon in carbon dioxide (CO2) 0.201 0.323 0.158 0.273 0.201 0.323 0.158 0.273 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymer used in making plastic crockery is Decron Bakelite Melamine Nylon Decron Bakelite Melamine Nylon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Philosopher’s wool is chemically Magnesium oxide Calcium oxide Zinc oxide Aluminium oxide Magnesium oxide Calcium oxide Zinc oxide Aluminium oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is 17 53 19 36 17 53 19 36 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following, carbonate ore of Zinc is Zincite Sphalerite Calamine Zincblende Zincite Sphalerite Calamine Zincblende ANSWER DOWNLOAD EXAMIANS APP
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