General Science Marsh gas is Nitrogen Hydrogen Methane Ethane Nitrogen Hydrogen Methane Ethane ANSWER DOWNLOAD EXAMIANS APP
General Science Actinides are the elements with atomic numbers from 36 from 43 97 to 104 101 to 115 89 to 103 36 from 43 97 to 104 101 to 115 89 to 103 ANSWER DOWNLOAD EXAMIANS APP
General Science The hardest substance available on earth is Iron None of the listed here Diamond Gold Iron None of the listed here Diamond Gold ANSWER DOWNLOAD EXAMIANS APP
General Science Chlorophyll is a naturally occurring chelate compound in which central metal is Copper Magnesium Iron Calcium Copper Magnesium Iron Calcium ANSWER DOWNLOAD EXAMIANS APP
General Science Who suggested that most of the mass of the atom is located in the nucleus? Thompson Bohr Einstein Rutherford Thompson Bohr Einstein Rutherford ANSWER DOWNLOAD EXAMIANS APP
General Science Balloons are filled with Helium Oxygen Argon Nitrogen Helium Oxygen Argon Nitrogen ANSWER DOWNLOAD EXAMIANS APP
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