Chemical Process Phthalic anhydride is made by the None of these Oxidation of naphthalene Dehydrogenation of ethyl benzene Oxidation of benzene None of these Oxidation of naphthalene Dehydrogenation of ethyl benzene Oxidation of benzene ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is used as a coagulant in water treatment? Chloramine Ferrous sulphate Hydrogen peroxide Chlorine Chloramine Ferrous sulphate Hydrogen peroxide Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is an ore of iron? Bauxite Hematite Galena Chalcopyrite Bauxite Hematite Galena Chalcopyrite ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The main component of pyrex glass is Boron Zinc Lead Celenium Boron Zinc Lead Celenium ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Viscose rayon is Cellulose nitrate Regenerated cellulose acetate Regenerated cellulose nitrate None of these Cellulose nitrate Regenerated cellulose acetate Regenerated cellulose nitrate None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Chemical formula of oleum is H₂SO₇ H₂SO₄ H₂S₂O₇ H₂SO₃ H₂SO₇ H₂SO₄ H₂S₂O₇ H₂SO₃ ANSWER DOWNLOAD EXAMIANS APP