Related Questions

A catalyst promoter
A Improves the activity of a catalyst
B Acts as a catalyst support
C Itself has very high activity
D All of the above
Catalyst used in ammonia synthesis uses __________ as a promoter.
A Pt
B K2O
C Al2O3
D Ni
Which is a catalyst promoter used in catalytic ammonia synthesis reaction?
A Al2O3
B Cr2O3
C K2O
D MnO
A catalyst is said to be a negative catalyst, ifit
A Retards the rate of reaction
B Reduces the value of equilibrium constant
C Does not initiate the reaction
D All of the above
For the hydrogenation of oils (i) __________ is commonly used as catalyst and (ii) __________ is a catalyst poison.
A (i) platinum (ii) sulphur
B (i) palladium (ii) oxygen
C (i) nickel (ii) sulphur
D (i) nickel (ii) oxygen
Effectiveness factor (E) of a catalyst pellet is defined as, E = (actual rate within pore of catalyst/rate if notsnowed by pore diffusion) Effectiveness factor for a first order reaction is given by (where, T = Thiele modulus)
A Tan hT/T
B Tan T/T
C Tan hT/tan T
D None of these
A fraction becomes 6/5 when 5 is added to its numerator and becomes 1/2 when 4 is added to its denominator. What will be the value of the fraction?
A 8\/9
B 7\/10
C 7\/8
D 6\/11
who is the promoter of chinese 'One Belt One Road' initiative?
A Xi Jinping
B Chiang Kaisak
C Shinzo Abe
D Mao shetung
who is the promoter of Chinese 'One Belt One Road ' initiative?
A Xi Jinping
B Chiang Kaisak
C Shinzo Abe
D Mao Shetung
Whoc is teh promoter of Chines One Belt One Road' initiative?
A Xi- Japing
B Shinzo Abe
C Chiang Kaisak
D Mao Shetung

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