Related Questions

For the hydrogenation of oils (i) __________ is commonly used as catalyst and (ii) __________ is a catalyst poison.
B.E.T. method can be used to determine the __________ of a porous catalyst.
Sphericity is the ratio of the surface area of a spherical particle having the same volume as the particle to the surface area of the particle. Which of the following has the maximum value of sphericity?
A catalyst is said to be a negative catalyst, ifit
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)
In a grinding operation, the limiting particle size is the size of the __________ particle in the sample.
Brownian movement is prominent in the particle size range of __________ microns in case of settling of a particle in a fluid.
Helium-mercury method is used for the measurement of the __________ of the catalyst.
B.E.T. method of finding out surface area of a catalyst, uses the extension of __________ isotherm.
একটি কণা t = 0 সময়ে স্থির অবস্থা থেকে যাত্রা শুরু করে। কণাটির ওপর প্রযুক্ত লব্ধি বল, সময় t এর সমানুপাতিক। কণাটির গতিশক্তি নিচের কোনটির সমানুপাতিক হবে? (A particle starts from rest at t = 0. The net force acting on the particle is proportional to time t. Its kinetic energy is proportional to which one of the following?)