Chemistry Which one of the following is commonly used for pulp bleaching in the paper industry? Mild sulphuric acid Hydrogen peroxide Glucose isomerase Iodine and water Mild sulphuric acid Hydrogen peroxide Glucose isomerase Iodine and water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ‘Green House effect’ is produced due to the presence of excess amount of Nitrogen dioxide Carbon monoxide Sulphur dioxide Methane Nitrogen dioxide Carbon monoxide Sulphur dioxide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mark the compound which possess ionic, covalent and coordinate bonds. SO3 NH4Cl SO2 H2O SO3 NH4Cl SO2 H2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following does not form oxyacid ? Chlorine Sulphur Fluorine Nitrogen Chlorine Sulphur Fluorine Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry A pungent smell often present near the urinals is due to Ammonia Chlorine Urea Sulphur-di- oxide Ammonia Chlorine Urea Sulphur-di- oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the purest form of iron? Wrought iron Steel Pig iron Cast iron Wrought iron Steel Pig iron Cast iron ANSWER DOWNLOAD EXAMIANS APP
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