Chemistry Which one of the following nonmetals shows allotropy in the liquid state? Phosphorous Bromine Sulphur Carbon Phosphorous Bromine Sulphur Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry In electro-refining, the pure metal is deposited on Vessel Electrolyte Anode Cathode Vessel Electrolyte Anode Cathode ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas is used as fire extinguisher ? Carbon monoxide Sulphur dioxide Carbon suboxide Carbon dioxide Carbon monoxide Sulphur dioxide Carbon suboxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass number of a nucleus is the sum of the number of protons and neutrons present in the nucleus always more than the atomic weight always less than its atomic number a fraction the sum of the number of protons and neutrons present in the nucleus always more than the atomic weight always less than its atomic number a fraction ANSWER DOWNLOAD EXAMIANS APP
Chemistry The antiparticle of an electron is Beta particles Proton Alpha particles Positron Beta particles Proton Alpha particles Positron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas causing acid rain in an industrial area is Carbon dioxide Carbon monoxide Sulphur dioxide Methane Carbon dioxide Carbon monoxide Sulphur dioxide Methane ANSWER DOWNLOAD EXAMIANS APP
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