Chemistry The gas used to extinguish fire is Nitrogen Carbon dioxide Neon Carbon monoxide Nitrogen Carbon dioxide Neon Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Electrolysis of an aqueous solution of copper sulphate using copper electrodes gives Copper at cathode and anodes dissolve to give copper Copper at cathode and oxygen at anode Copper at anode and oxygen at cathode. Hydrogen at cathode and oxygen at anode Copper at cathode and anodes dissolve to give copper Copper at cathode and oxygen at anode Copper at anode and oxygen at cathode. Hydrogen at cathode and oxygen at anode ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following laser types is used in a laser printer? Gas laser Semiconductor laser Excimer laser Dye laser Gas laser Semiconductor laser Excimer laser Dye laser ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rutherford’s scattering experiment proved the presence of Neutrons in atoms Atoms in all matter Electrons in atoms Nucleus in atoms Neutrons in atoms Atoms in all matter Electrons in atoms Nucleus in atoms ANSWER DOWNLOAD EXAMIANS APP
Chemistry When cathode rays strike a target of high atomic weight, they give rise to Positive rays ?-rays ? and ? rays X-rays Positive rays ?-rays ? and ? rays X-rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry KMnO4 can be used as Pesticide Disinfectant Insecticide Fertilizer Pesticide Disinfectant Insecticide Fertilizer ANSWER DOWNLOAD EXAMIANS APP
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