Chemistry Supersonic jet causes pollution by thinning of CO2 layer SO2 layer O3 layer O 2 layer CO2 layer SO2 layer O3 layer O 2 layer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Combustion of a candle is a/an Exothermic reaction Endothermic reaction Physical change Photochemical reaction Exothermic reaction Endothermic reaction Physical change Photochemical reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Major portion of the earth’s crust is mainly constituted by Silicon and Aluminium Silicon and Iron Oxygen and Iron Oxygen and Silicon Silicon and Aluminium Silicon and Iron Oxygen and Iron Oxygen and Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas which emits from rice field is Nitrogen Ethane Methane All of these Nitrogen Ethane Methane All of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nuclear particles which are assumed to hold the nucleons together are positrons neutrons electrons mesons positrons neutrons electrons mesons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following organic compounds has fruity smell? Aldehyde Alcohol Ether Ester Aldehyde Alcohol Ether Ester ANSWER DOWNLOAD EXAMIANS APP
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