Chemistry What is the most commonly used substance in fluorescent tubes? Sodium vapour and neon Mercury oxide and neon Mercury vapour and argon Sodium oxide and argon Sodium vapour and neon Mercury oxide and neon Mercury vapour and argon Sodium oxide and argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Thermal electricity is generated by using which of these ? Coal only Coal and Natural Gas only None of these Coal, Natural Gas and Petroleum Coal only Coal and Natural Gas only None of these Coal, Natural Gas and Petroleum ANSWER DOWNLOAD EXAMIANS APP
Chemistry In addition to hydrogen, the other abundant element present on Sun’s surface is Oxygen Helium Neon Argon Oxygen Helium Neon Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following type of coal has the lowest proportion of volatile matter ? Peat Lignite Anthracite Bituminous Peat Lignite Anthracite Bituminous ANSWER DOWNLOAD EXAMIANS APP
Chemistry The luster of a metal is due to its high density presence of free electrons its high polishing its chemical inertness its high density presence of free electrons its high polishing its chemical inertness ANSWER DOWNLOAD EXAMIANS APP
Chemistry The structure of (HPO3)3 is Octahedral Cyclic Linear Tetrahedral Octahedral Cyclic Linear Tetrahedral ANSWER DOWNLOAD EXAMIANS APP
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