Chemistry Which one of the following is used for dating very old objects of archaeological importance? Tritium Radium Phosphorus-31 Carbon-14 Tritium Radium Phosphorus-31 Carbon-14 ANSWER DOWNLOAD EXAMIANS APP
Chemistry In ice, the number of hydrogen bonds per water molecule is 2 1 4 8 2 1 4 8 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The heaviest naturally occurring element is: Thorium Uranium Polonium Mercury Thorium Uranium Polonium Mercury ANSWER DOWNLOAD EXAMIANS APP
Chemistry The inexpensive and commonly used variety of glass is called soda glass. is made using soda lime is made using soda(sodium carbonate) was initially used for storing sodium carbonate was used initially for making bottles of soda(carbonated drink) is made using soda lime is made using soda(sodium carbonate) was initially used for storing sodium carbonate was used initially for making bottles of soda(carbonated drink) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a major green house gas? Carbon monoxide Chloro fluorocarbon Freon Carbon dioxide Carbon monoxide Chloro fluorocarbon Freon Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is used as a catalyst in the production of high octane fuels? H2SO4 HCl HF HNO3 H2SO4 HCl HF HNO3 ANSWER DOWNLOAD EXAMIANS APP
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