Related Questions
Which of the following processes exemplifies heterogeneous catalysis?
Haber-Bosch process
Hydrolysis of ester in presence of acid
Inversion of cane sugar in presence of acid
Decomposition of ozone in presence of atoms
A catalyst promoter
Increases the speed of the reaction
Activates the action of a catalyst
Starts a chemical reaction
None of the above
In negative catalysis
The speed of chemical reaction slows down
Speed of the chemical reaction remain the same
Speed of the chemical reaction increases
None of the above
Which of the following acts as a catalyst?
Metals with variable valency
Metals with non-variable valency
Non-metals with fixed valency
Inert gases
A catalyst increases the rate of reaction because it :
Increases the activation energy
Decrease the energy barrier for reaction
Decreases the collision diameter
Increase the temperature coefficient
Which of the following is wrong?
The derivative of sin(x) is cos(x)
The derivative of cos(x) is -sin(x)
The derivative of x^2 is 2x
The derivative of 2^x is 2^x
In chemical reaction, catalyst
Alters the amount of the products
Lowers the activation energy
Decreases the of forward reaction
Increases the of forward reaction
Which acts as poison for Pd-charcoal in Lindlarβs catalyst?
Lead
Quinoline
Palladium
Calcium Carbonate
Which of the following is NOT a source of genetic variation introduced during meiosis?
Crossing over
Independent assortment of homologous chromosomes
Random mutations in somatic cells
Fertilization
The enzyme which converts starch to maltose is
Diastase
Zymase
Maltase
Invertase
