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. 90-100 15-30 250-300 90-100 15-30 250-300 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the endothermic reaction out of the following. C+1/2O₂ = CO CaCO₃ = CaO + CO₂ CO +1/2O₂ = CO₂ CO + 3H₂ = CH₄ + H₂O C+1/2O₂ = CO CaCO₃ = CaO + CO₂ CO +1/2O₂ = CO₂ CO + 3H₂ = CH₄ + H₂O ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Bleaching powder (chemically known as calcium chloro hypochlorite) is commercially produced by the action of chlorine on Calcium perchlorate None of these Soda lime Slaked lime Calcium perchlorate None of these Soda lime Slaked lime ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Kopper-Totzek coal gasifier Is a moving bed reactor Can give ammonia synthesis gas (H₂ + N₂) Cannot use coking coal Operate at very high pressure Is a moving bed reactor Can give ammonia synthesis gas (H₂ + N₂) Cannot use coking coal Operate at very high pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Process In premitive days, __________ was being manufactured by Leblanc Process. Soda ash Washing soda Alum Calcium carbide Soda ash Washing soda Alum Calcium carbide ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Esterification reaction Is reversible Is a reaction between an alcohol and an organic acid Produces soap All of these Is reversible Is a reaction between an alcohol and an organic acid Produces soap All of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS