Chemistry Photo chemical smog is a resultant of the reaction among High concentration of NO2, O3, and CO in the evening NO2, O3 and peroxy acetyl nitrate in the presence of Sunlight CO, CO2 and NO2at low temperature CO, O2 and peroxy acetyl nitrate in the presence of Sunlight High concentration of NO2, O3, and CO in the evening NO2, O3 and peroxy acetyl nitrate in the presence of Sunlight CO, CO2 and NO2at low temperature CO, O2 and peroxy acetyl nitrate in the presence of Sunlight ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which method will be employed to test the hardness of water? None of these Distillation Formation of lather with soap Boiling None of these Distillation Formation of lather with soap Boiling ANSWER DOWNLOAD EXAMIANS APP
Chemistry Activated Charcoal is used to remove colouring matter from pure substances by Reduction Oxidation Bleaching Adsorption Reduction Oxidation Bleaching Adsorption ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contributes largely to the ‘green house effect’ ? Water vapour Ozone Carbon monoxide Carbon dioxide Water vapour Ozone Carbon monoxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used to restore the colour of old oilpaintings ? Barium peroxide Sodium peroxide Ozone Hydrogen peroxide Barium peroxide Sodium peroxide Ozone Hydrogen peroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Polythene is polymer of Acetylene Ethylene Aniline Propylene Acetylene Ethylene Aniline Propylene ANSWER DOWNLOAD EXAMIANS APP
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