Chemistry Iron rusts quickly in Distilled water Rain water Sea water River water Distilled water Rain water Sea water River water ANSWER DOWNLOAD EXAMIANS APP
Chemistry In an oxygen molecule, two atoms are united by Four bonds Two bonds One bond Three bonds Four bonds Two bonds One bond Three bonds ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultraviolet rays can be used in water treatment as Hydrolyser Precipitator Disinfectant Flocculator Hydrolyser Precipitator Disinfectant Flocculator ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major harmful gas emitted by automobile vehicles which causes air pollution is Ozone gas Carbon dioxide Methane Carbon Monoxide Ozone gas Carbon dioxide Methane Carbon Monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Saccharin is made up of Toluene Butane Propane Phenol Toluene Butane Propane Phenol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance that is added to make natural rubber strong and more bouncy is Sulphur Polythene Sponge Chlorine Sulphur Polythene Sponge Chlorine ANSWER DOWNLOAD EXAMIANS APP
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