Chemical Process Phthalic anhydride is made by the Oxidation of benzene Dehydrogenation of ethyl benzene None of these Oxidation of naphthalene Oxidation of benzene Dehydrogenation of ethyl benzene None of these Oxidation of naphthalene ANSWER DOWNLOAD EXAMIANS APP
Chemical Process In the production of soda ash by Solvay process, the by-product is NH₄Cl NH₃ CaCl₂ NaOH NH₄Cl NH₃ CaCl₂ NaOH ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sulphur removal by heating of pyrite ore in presence of air is called its Roasting Smelting Calcination Reduction Roasting Smelting Calcination Reduction ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Use of hydrated lime in water treatment After filtration, combats the corrosive-ness of water due to the presence of O₂ & CO₂ All of these Before filtration, reduces the bacterial load on filters Is to adjust the pH value After filtration, combats the corrosive-ness of water due to the presence of O₂ & CO₂ All of these Before filtration, reduces the bacterial load on filters Is to adjust the pH value ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ is produced using polycondensation reaction. Phenol formaldehyde Polythene None of these Poly vinyl chloride Phenol formaldehyde Polythene None of these Poly vinyl chloride ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Oleum produces fumes of H₂SO₄ SO₃ SO₂ SO₂ + H₂SO₄ H₂SO₄ SO₃ SO₂ SO₂ + H₂SO₄ ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS