Chemistry Which of the following is a natural polymer? Polythene Bakelite Starch Nylon Polythene Bakelite Starch Nylon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major harmful gas emitted by automobile vehicles which causes air pollution is Carbon Monoxide Carbon dioxide Methane Ozone gas Carbon Monoxide Carbon dioxide Methane Ozone gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry A balloon filled with helium rises in air because Helium is less dense than air The balloon is weightless Helium pushes down on the air below the balloon Air exerts an upward force on the balloon Helium is less dense than air The balloon is weightless Helium pushes down on the air below the balloon Air exerts an upward force on the balloon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Epsom salt is used In softening water As purgative In making tooth paste In paper industry In softening water As purgative In making tooth paste In paper industry ANSWER DOWNLOAD EXAMIANS APP
Chemistry CNG used in automobiles to check pollution, mainly consists of N2 CH4 CO2 H2 N2 CH4 CO2 H2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Activated Charcoal is used to remove colouring matter from pure substances by Bleaching Reduction Oxidation Adsorption Bleaching Reduction Oxidation Adsorption ANSWER DOWNLOAD EXAMIANS APP
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