Chemistry Nucleons are regarded as composites sub-particles known as Photons Mesons Leptons Quarks Photons Mesons Leptons Quarks ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following mineral does not contain oxygen ? Cryolite Haematite Bauxite Calcite Cryolite Haematite Bauxite Calcite ANSWER DOWNLOAD EXAMIANS APP
Chemistry In galvanization, iron is coated with Copper Zinc Nickel Tin Copper Zinc Nickel Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen forms a variety of compounds in all oxidation states ranging from –3 to + 6 –3 to + 5 –3 to + 4 –3 to + 3 –3 to + 6 –3 to + 5 –3 to + 4 –3 to + 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The heaviest naturally occurring element is: Polonium Uranium Thorium Mercury Polonium Uranium Thorium Mercury ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element in the human body is Carbon Oxygen Iron Nitrogen Carbon Oxygen Iron Nitrogen ANSWER DOWNLOAD EXAMIANS APP
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