Chemical Reaction Engineering Half life period of decomposition of a liquid 'A' by irreversible first order reaction is 12 minutes. The time required for 75% conversion of 'A' is __________ minutes. 6 24 12 18 6 24 12 18 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Enzymes (a protein) are catalysts found in organisms. Its efficiency of catalysing a reaction is due to its capacity to lower the activation energy of the reaction. The enzyme ptyalin used for food digestion is present in Saliva Blood Gland Intestine Saliva Blood Gland Intestine ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate constant of a chemical reaction increases by 100 times when the temperature is increased from 400 °K to 500 °K. Assuming transition state theory is valid, the value of E/R is 8764°K 8987°K 9210°K 8621°K 8764°K 8987°K 9210°K 8621°K ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a CSTR __________ varies with time. Neither A nor B Concentration Both A & B Reaction rate Neither A nor B Concentration Both A & B Reaction rate ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A rise in temperature Does not affect a catalysed reaction Normally tends to increase the reaction rate All of these Does not affect photo-chemical reaction rates Does not affect a catalysed reaction Normally tends to increase the reaction rate All of these Does not affect photo-chemical reaction rates ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering BET apparatus Is made entirely of stainless steel Measures the catalyst surface area directly None of these Operates at very high pressure Is made entirely of stainless steel Measures the catalyst surface area directly None of these Operates at very high pressure ANSWER DOWNLOAD EXAMIANS APP
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