Chemical Process Sulphur removal by heating of pyrite ore in presence of air is called its Calcination Smelting Reduction Roasting Calcination Smelting Reduction Roasting ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Function of sodium thiosulphate (hypo) in development of photographic film/plate is to Remove metallic silver Brighten the faint images Remove unexposed silver halide Convert silver chloride to silver Remove metallic silver Brighten the faint images Remove unexposed silver halide Convert silver chloride to silver ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Multistage catalytic converter is not used in the NH₃ synthesis reaction Neither A nor B Both A & B Conversion of SO₂ to SO₃ NH₃ synthesis reaction Neither A nor B Both A & B Conversion of SO₂ to SO₃ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Electric bulbs are made of __________ glass. Pyrex Flint Jena Crookes Pyrex Flint Jena Crookes ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ is produced using polycondensation reaction. Poly vinyl chloride None of these Polythene Phenol formaldehyde Poly vinyl chloride None of these Polythene Phenol formaldehyde ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Vinyl chloride (CH₂ = CH.Cl) is produced by the thermal pyrolysis of ethylene dichloride at a pressure & temperature of 10 kgf/cm² & 1000°C 40 kg/cm² & 200°C 4 kgf/cm² & 500°C 100 kgi/cm² & 500°C 10 kgf/cm² & 1000°C 40 kg/cm² & 200°C 4 kgf/cm² & 500°C 100 kgi/cm² & 500°C ANSWER DOWNLOAD EXAMIANS APP
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