Chemical Reaction Engineering A trickle bed reactor is the one, which Employs all the three phases (i.e.. .solid, liquid and gas) Processes three reactants at different flow rates Processes three reactants with same flow rate Has altogether three streams either entering or leaving Employs all the three phases (i.e.. .solid, liquid and gas) Processes three reactants at different flow rates Processes three reactants with same flow rate Has altogether three streams either entering or leaving ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Calcination reaction of limestone (CaCO₃ → CaO + CO₂) goes to completion in the rotary kiln, because Of high calcination temperature CaO is not dissociated CaO is more stable than CaCO₃ CO₂ escapes continuously Of high calcination temperature CaO is not dissociated CaO is more stable than CaCO₃ CO₂ escapes continuously ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Collision theory gives the rate constant for bimolecular reaction as K α √T.e-E/RT None of these K α e-E/RT K α eE/RT K α √T.e-E/RT None of these K α e-E/RT K α eE/RT ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering With increase in temperature, the rate constant obeying Arhenious equation Decreases Can either increase or decrease ; depends on the frequency factor Increases Decreases exponentially Decreases Can either increase or decrease ; depends on the frequency factor Increases Decreases exponentially ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Photochemical reaction rate does not depend significantly on temperature, because It is a reversible reaction The energy of reacting molecules exceeds the activation energy by absorption of light It is an exothermic reaction None of these It is a reversible reaction The energy of reacting molecules exceeds the activation energy by absorption of light It is an exothermic reaction None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The excess energy of reactants in a chemical reaction required to dissociate into products is termed as the __________ energy. Threshold Activation Potential Binding Threshold Activation Potential Binding ANSWER DOWNLOAD EXAMIANS APP