Chemistry Diamond is harder than graphite because of : Difference in layers of atoms Tetrahedral structure of diamond Difference of crystalline structures None of these Difference in layers of atoms Tetrahedral structure of diamond Difference of crystalline structures None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance which does not expand on going from liquid state to solid state is Aluminium Cast-iron Type metal Water Aluminium Cast-iron Type metal Water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Zone refining is used for the purification of Cu Ag Au Ge Cu Ag Au Ge ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas which emits from rice field is Methane Nitrogen All of these Ethane Methane Nitrogen All of these Ethane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is found in all organic compounds Carbon Calcium Oxygen Nitrogen Carbon Calcium Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bleaching powder is prepared by passing : Chlorine over quick lirne Chlorine over slaked lime Oxygen over slaked lime Carbon dioxide over slaked lime Chlorine over quick lirne Chlorine over slaked lime Oxygen over slaked lime Carbon dioxide over slaked lime ANSWER DOWNLOAD EXAMIANS APP
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