Chemistry What is the element that is in the highest percentage in the composition of the earth ? Magnesium Silicon Oxygen Iron Magnesium Silicon Oxygen Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a renewable source of energy ? Coal Geothermal powder Natural gas Uranium Coal Geothermal powder Natural gas Uranium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nuclear particle having no mass and no charge, but only spin is Meson Neutrino Electron Proton Meson Neutrino Electron Proton ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following mineral does not contain oxygen ? Bauxite Haematite Cryolite Calcite Bauxite Haematite Cryolite Calcite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a commercial source of energy? Dried dung Sun Natural gas Agricultural waste Dried dung Sun Natural gas Agricultural waste ANSWER DOWNLOAD EXAMIANS APP
Chemistry Candle is a mixture of Bees wax and stearic acid Paraffin was and stearic acid Higher fatty acids and stearic acid Bees wax and paraffin wax Bees wax and stearic acid Paraffin was and stearic acid Higher fatty acids and stearic acid Bees wax and paraffin wax ANSWER DOWNLOAD EXAMIANS APP
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