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TLS Online TPP Program

#Question id: 368

Which of the following is true about the properties of aqueous solutions?

#Section 4: Fundamentals of Biological Engineering

  1. A pH change from 5.0 to 6.0 reflects an increase in the hydroxide ion concentration (OH-) of 20%

  2. A pH change from 8.0 to 6.0 reflects an increase in the hydroxide ion concentration (OH-) by a factor of 100

  3. Hydrogen bonds form readily in aqueous solutions

  4. The pH can be calculated by adding 7 to the value of pOH

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TLS Online TPP Program

#Question id: 14940

#Section 1: Engineering Mathematics

The maximum point on curve x = exy is
TLS Online TPP Program

#Question id: 3022

#Section 2: General Biology

Late log phase of the bacterial growth curve
TLS Online TPP Program

#Question id: 15249

#Section 6: Plant, Animal and Microbial Biotechnology

Halophiles have adapted so completely to ____________ conditions that they require high levels of ___________ to grow.
TLS Online TPP Program

#Question id: 15559

#Section 6: Plant, Animal and Microbial Biotechnology

The majority of the antibiotics have been isolated from 
TLS Online TPP Program

#Question id: 27592

#Section 5: Bioprocess Engineering and Process Biotechnology

Gas leaving a fermenter at close to 1 atm pressure and 25°C has the following composition: 78.2% nitrogen, 19.2% oxygen, 2.6% carbon dioxide. Calculate the mass of CO2 in each cubic metre of gas leaving the fermenter. [R=0.000082057 m3 atm / K gmol]