Chemistry When conc. H2SO4 is added to dry KNO3, brown fumes are evolved. These fumes are due to SO3 NO2 N2O SO2 SO3 NO2 N2O SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical used for cloud seeding for artificial rains is Potassium Nitrate Silver Nitrate Potassium Bromide Silver Iodide Potassium Nitrate Silver Nitrate Potassium Bromide Silver Iodide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone consists of Hydrogen and Carbon Oxygen only Oxygen and Carbon Oxygen and Nitrogen Hydrogen and Carbon Oxygen only Oxygen and Carbon Oxygen and Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the simplest aromatic hydrocarbon Picric acid Aspirin Benzene Chloride Picric acid Aspirin Benzene Chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as a preservative to protect processed food? BHT Sodium sulphate Saccharin Sodium metabisulphite BHT Sodium sulphate Saccharin Sodium metabisulphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of covering water pipes made of Iron with Zinc layer to prevent corrosion is called : Galvanization Vulcanization Alloy formation Zinc plating Galvanization Vulcanization Alloy formation Zinc plating ANSWER DOWNLOAD EXAMIANS APP