Chemistry The luster of a metal is due to its high polishing presence of free electrons its chemical inertness its high density its high polishing presence of free electrons its chemical inertness its high density ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? Sulphur dioxide Chlorofluorocarbon Nitrous oxide Carbon dioxide Sulphur dioxide Chlorofluorocarbon Nitrous oxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry CNG used in automobiles to check pollution, mainly consists of CO2 N2 H2 CH4 CO2 N2 H2 CH4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the maximum Water Vapour content in the atmosphere? 2 to 3 per cent 5 to 6 per cent 3 to 4 per cent 4 to 5 per cent 2 to 3 per cent 5 to 6 per cent 3 to 4 per cent 4 to 5 per cent ANSWER DOWNLOAD EXAMIANS APP
Chemistry Muddy water is treated with alum in purification process, itis termed as : Absorption Adsorption Coagulation Emulsification Absorption Adsorption Coagulation Emulsification ANSWER DOWNLOAD EXAMIANS APP
Chemistry The coloured discharge tubes for advertisement mainly contain Neon Helium Argon Xenon Neon Helium Argon Xenon ANSWER DOWNLOAD EXAMIANS APP
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