Catalyst Characterization: Physical Techniques 17 10 2024
Quiz
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Other
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University
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Practice Problem
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Hard
Yusuf Isa
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The point where the BET linear equation intercepts with the 1/W((P_0/P)-1) axis corresponds to
inverse of the specific weight of the adsorbate
inverse of a multiple of the adsorbate monolayer weight
weight of the gas adsorbed
liquid Nitrogen temperature
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following pore sizes can be considered microporous ?
<2mm
>50 mm
None of the pores is micrporous
Both pores are microporous
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following can be determined using Nitrogen physiosorption?
porosity
number of active sites
particle size
catalyst active metals
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pore size determination using mercury intrusion is based on
Derby Scherer Equation
Bragg's law
Washburn Equation
BET equation
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is used to bombard samples in Scanning electron Microscopy?
X rays
Laser
Bombardment beams
Electrons
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is true about micropores?
They always reduce the total surface area
They are the only pores in porous materials
They can hinder diffusion in pores
They are always more than macropores in any support
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A particle statistical relationship between amount and size is known as
Residual curve
Particle size
Particle size distribution
Average particle size
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