Chemical Process Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at __________ °C. 250-300 15-30 90-100 250-300 15-30 90-100 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which is the most suitable dye for synthetic fibres? Mordant dye Acid dye Pigment dye Azoic dye Mordant dye Acid dye Pigment dye Azoic dye ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The temperature in the calcium carbide furnace is __________ °C. 700-850 200-300 4000-4500 2000-2200 700-850 200-300 4000-4500 2000-2200 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Removal of dirt/soil by soaps or detergent does not involve the __________ of soil. Precipitation Emulsification Wetting Dispersion Precipitation Emulsification Wetting Dispersion ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Triple superphosphate is manufactured by reacting Phosphate rock with phosphoric acid Phosphate rock with nitric acid Ammonium phosphate with phosphoric acid Phosphate rock with sulphuric acid Phosphate rock with phosphoric acid Phosphate rock with nitric acid Ammonium phosphate with phosphoric acid Phosphate rock with sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Producer gas consists mainly of CO, H₂ H₂, CH₄ C₂H₂, CO₂, H₂ CO, CO₂ N₂, H₂ CO, H₂ H₂, CH₄ C₂H₂, CO₂, H₂ CO, CO₂ N₂, H₂ ANSWER DOWNLOAD EXAMIANS APP
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