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Chemical Engineering Exam  >  Chemical Engineering Tests  >  Test: 25 Degree Celsius And 1 Atm Pressure Diffusivity - Chemical Engineering MCQ

Test: 25 Degree Celsius And 1 Atm Pressure Diffusivity - Chemical Engineering MCQ


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10 Questions MCQ Test - Test: 25 Degree Celsius And 1 Atm Pressure Diffusivity

Test: 25 Degree Celsius And 1 Atm Pressure Diffusivity for Chemical Engineering 2024 is part of Chemical Engineering preparation. The Test: 25 Degree Celsius And 1 Atm Pressure Diffusivity questions and answers have been prepared according to the Chemical Engineering exam syllabus.The Test: 25 Degree Celsius And 1 Atm Pressure Diffusivity MCQs are made for Chemical Engineering 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: 25 Degree Celsius And 1 Atm Pressure Diffusivity below.
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Test: 25 Degree Celsius And 1 Atm Pressure Diffusivity - Question 1
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What is the value of diffusivity for ammonia?

Detailed Solution for Test: 25 Degree Celsius And 1 Atm Pressure Diffusivity - Question 1

Explanation: Ammonia is a colorless gas and it boils at a pressure of one atmosphere. It is easily liquefied due to the strong hydrogen bonding. Its unit is cm2/s.

Test: 25 Degree Celsius And 1 Atm Pressure Diffusivity - Question 2
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 Which one is having highest value of diffusivity?

Detailed Solution for Test: 25 Degree Celsius And 1 Atm Pressure Diffusivity - Question 2

Explanation: Thermal diffusivity of hydrogen is 0.410 while that of oxygen, water and methanol are 0.206, 0.259 and .0159 respectively. Its unit is cm 2/s.

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Test: 25 Degree Celsius And 1 Atm Pressure Diffusivity - Question 3
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What is the value of diffusivity for hydrogen?

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Explanation: It is highly flammable and will burn in air at a very wide range of concentrations. It reacts with every oxidizing agent. Its unit is cm 2/s.

Test: 25 Degree Celsius And 1 Atm Pressure Diffusivity - Question 4
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 Which one is having lowest value of diffusivity?
Detailed Solution for Test: 25 Degree Celsius And 1 Atm Pressure Diffusivity - Question 4

Explanation: Thermal diffusivity of toluene is 0.084 while that of acetic acid, oxygen and benzene are 0.133, 0.206 and 0.081 respectively. Its unit is cm 2/s.

Test: 25 Degree Celsius And 1 Atm Pressure Diffusivity - Question 5
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What is the value of diffusivity for water?
Detailed Solution for Test: 25 Degree Celsius And 1 Atm Pressure Diffusivity - Question 5

Explanation: It is transparent in the visible electromagnetic spectrum. It has high specific heat capacity and latent heat of vaporisation. Its unit is cm 2/s.

Test: 25 Degree Celsius And 1 Atm Pressure Diffusivity - Question 6
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Which one is having highest value of diffusivity?
Detailed Solution for Test: 25 Degree Celsius And 1 Atm Pressure Diffusivity - Question 6

Explanation: Thermal diffusivity of water is 0.256 while that of oxygen, hydrogen and carbon dioxide are 0.206, 0.210 and 0.164 respectively. Its unit is cm2/s.

Test: 25 Degree Celsius And 1 Atm Pressure Diffusivity - Question 7
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What is the value of diffusivity for ethyl alcohol?
Detailed Solution for Test: 25 Degree Celsius And 1 Atm Pressure Diffusivity - Question 7

Explanation: There are extensive hydrogen bonding between its molecules. Its unit is cm2/s.

Test: 25 Degree Celsius And 1 Atm Pressure Diffusivity - Question 8
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Which one is having lowest value of diffusivity?
Detailed Solution for Test: 25 Degree Celsius And 1 Atm Pressure Diffusivity - Question 8

Explanation: Thermal diffusivity of glucose is 0.60 while that of urea, oxygen and ethanol are 8.06, 1.80 and 1.00 respectively. Its unit is cm2 /s.

Test: 25 Degree Celsius And 1 Atm Pressure Diffusivity - Question 9
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 What is the value of diffusivity for benzene?
Detailed Solution for Test: 25 Degree Celsius And 1 Atm Pressure Diffusivity - Question 9

Explanation: It is having higher diffusivity so they diffuse faster into each other. Its unit is cm2/s.

Test: 25 Degree Celsius And 1 Atm Pressure Diffusivity - Question 10
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Which one is having highest value of diffusivity?
Detailed Solution for Test: 25 Degree Celsius And 1 Atm Pressure Diffusivity - Question 10

Explanation: Thermal diffusivity of urea is 8.06 while that of ammonia, glucose and ethanol are 1.76, 0.60 and 1.00 respectively. Its unit is cm 2/s.

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