Chemistry Which type of radiations are absorbed by the upper layer of the atmosphere? Ultraviolet Visible Infrared Radio-waves Ultraviolet Visible Infrared Radio-waves ANSWER DOWNLOAD EXAMIANS APP
Chemistry Supersonic jet causes pollution by thinning of O3 layer SO2 layer CO2 layer O 2 layer O3 layer SO2 layer CO2 layer O 2 layer ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance that is added to make natural rubber strong and more bouncy is Chlorine Sponge Sulphur Polythene Chlorine Sponge Sulphur Polythene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used as a sowing agent in the preparation of soft drinks? Salicylic acid Boric acid Phosphorus acid Phosphoric acid Salicylic acid Boric acid Phosphorus acid Phosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The “King of Metals” is : Gold Aluminium Iron Silver Gold Aluminium Iron Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as non-stick coating for cooking utensils? Styrofoam Perspex Polystyrene Teflon Styrofoam Perspex Polystyrene Teflon ANSWER DOWNLOAD EXAMIANS APP
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