Chemical Reaction Engineering The minimum energy required to allow a chemical reaction to proceed is termed as the 'threshold energy '. Chemical reaction with low activation energy are Mostly irreversible Highly temperature sensitive Always irreversible Insensitive to temperature changes Mostly irreversible Highly temperature sensitive Always irreversible Insensitive to temperature changes ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Enzymes are destroyed, when the Reactant's concentration is very low Reaction rate is independent of the reactant's concentration Reactant's concentration is very high Temperature is very high Reactant's concentration is very low Reaction rate is independent of the reactant's concentration Reactant's concentration is very high Temperature is very high ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst in a chemical reaction __________ free energy change in the reaction. Decreases Either A or B; depends on the type of catalyst Increases Neither A nor B Decreases Either A or B; depends on the type of catalyst Increases Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Carbon particles accummulated on the catalyst used in the gas oil cracking lies in the category of __________ poison. Stability Chemisorbed Selectivity Deposited Stability Chemisorbed Selectivity Deposited ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Molecularity of an elementary reaction, P + Q → R + S is 3 1 4 2 3 1 4 2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering 'Unreacted core model' represents the reaction involving None of these Combustion of coal particles Manufacture of carbon disulphide from elements Roasting of sulphide ores None of these Combustion of coal particles Manufacture of carbon disulphide from elements Roasting of sulphide ores ANSWER DOWNLOAD EXAMIANS APP
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