861. Greater the conc. Of reactant__________________?
A. Greater will be dx/dt
B. Lesser will be dx/dt
C. dx/dt will be moderate
D. any of above

862. The substances that reduces the effectiveness of a catalyst are called ___________________?
A. Promoters
B. Poisoning catalysts
C. Inhibitors
D. pro-catalysts

863. Each catalyst has_________________?
A. Specificity
B. Special structure
C. Its own Ea
D. all of above

864. A catalyst can not effect__________________?
A. Products
B. Chemical equilibrium
C. Reactants
D. both A & B

865. Co-enzymes are_________________?
A. Non proteineous
B. Proteineous
C. sugars
D. lipids

866. End name of enzyme is___________________?
A. yl
B. ase
C. one
D. al

867. For determining the order of reaction we use__________________?
A. Refractometric method
B. Dilatometric method
C. Optical activity method
D. Half life method

868. Elements in the same vertical group of the periodic table have same_______________?
A. Number of valence electrons
B. Atomic number
C. Atomic mass
D. Atomic volume

869. Which set of elements is listed in order of increasing ionization energy ?
A. Sb < As < S < P < Cl
B. Cl < Sb < P < As < S
C. As < Cl < P < S < Sb
D. Sb < As < Cl < S < P

870. Which of the p-block elements are not representative elements ?
A. Alkali metals (I-A)
B. Group-14 elements (IV-A)
C. Group-18 elements (VIII-A)
D. Halogens (VII-A)