Chemistry Ozone saves the biosphere by absorbing high energy radiations called ________ . Infra-red (IR) X–rays Ultraviolet rays (UV) Gamma rays Infra-red (IR) X–rays Ultraviolet rays (UV) Gamma rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry Philosopher’s Wool is Zinc oxide Zinc sulphate Zinc blende Zinc carbonate Zinc oxide Zinc sulphate Zinc blende Zinc carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Non-stick kitchenwares are coated with Graphite Teflon PVC Silicon Graphite Teflon PVC Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron filings can be separated from a heterogenous mixture using the technique of : Sedimentation Magnetization Evaporation Sublimation Sedimentation Magnetization Evaporation Sublimation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Supersonic jet causes pollution by thinning of O 2 layer CO2 layer SO2 layer O3 layer O 2 layer CO2 layer SO2 layer O3 layer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Most poisonous pollutant in water is Detergent Zinc Arsenic Phosphate Detergent Zinc Arsenic Phosphate ANSWER DOWNLOAD EXAMIANS APP
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