Chemical Process Nitroglycerene absorbed in wood flour, sodium nitrate or ammonium nitrate is commercially used as a controlled explosive called dynamite. The raw material used for its manufacture are glycerene, nitric acid and Sulphuric acid Hydrochloric acid Hydroflouric acid Phosphoric acid Sulphuric acid Hydrochloric acid Hydroflouric acid Phosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Impurities present in brine is normally removed by treatment with Lime, ammonia and carbon All of these NH₃ and CO₂ Lime and soda ash Lime, ammonia and carbon All of these NH₃ and CO₂ Lime and soda ash ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sudden temperature fluctuation does not affect pyrex glass, because of its Both B and C High melting point High co-efficient of expansion Low co-efficient of expansion Both B and C High melting point High co-efficient of expansion Low co-efficient of expansion ANSWER DOWNLOAD EXAMIANS APP
Chemical Process One of the steps during refining of cane sugar consists of addition of hydrated lime to the sugar syrup followed by carbonation of the resulting solution. The purpose of this step is to Improve the rate of crystallisation of sugar Adjust the pH of the syrup Remove the coloring matter from the syrup Reduce the viscosity of the syrup Improve the rate of crystallisation of sugar Adjust the pH of the syrup Remove the coloring matter from the syrup Reduce the viscosity of the syrup ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Multistage catalytic converter is not used in the NH₃ synthesis reaction Neither A nor B Conversion of SO₂ to SO₃ Both A & B NH₃ synthesis reaction Neither A nor B Conversion of SO₂ to SO₃ Both A & B ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Chlorine gas is produced by the electrolysis of brine (NaCl solution with solid NaCl make up) in mercury electrolytic cell. Which of the following is the anodic reaction? Oxidation of Cl- ions Oxidation of Na+ ions Reduction of Cl- ions Reduction of Na+ ions Oxidation of Cl- ions Oxidation of Na+ ions Reduction of Cl- ions Reduction of Na+ ions ANSWER DOWNLOAD EXAMIANS APP