Chemistry When conc. H2SO4 is added to dry KNO3, brown fumes are evolved. These fumes are due to SO2 SO3 N2O NO2 SO2 SO3 N2O NO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is commonly used for pulp bleaching in the paper industry? Mild sulphuric acid Iodine and water Hydrogen peroxide Glucose isomerase Mild sulphuric acid Iodine and water Hydrogen peroxide Glucose isomerase ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following vegetable oils is used in the manufacture of paints? Sunflower oil Cottonseed oil Palm oil Linseed oil Sunflower oil Cottonseed oil Palm oil Linseed oil ANSWER DOWNLOAD EXAMIANS APP
Chemistry Formic acid is produced by Cockroaches Red ants Mosquitoes White ants Cockroaches Red ants Mosquitoes White ants ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most commonly used substance in fluorescent tubes? Sodium oxide and argon Mercury vapour and argon Sodium vapour and neon Mercury oxide and neon Sodium oxide and argon Mercury vapour and argon Sodium vapour and neon Mercury oxide and neon ANSWER DOWNLOAD EXAMIANS APP
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