Which of the following statements are true about creaming? multiple statements are true. 1. The rate...
Homework Answers
When temperature is increased, the extra energy added imparts more vibrational energy to the particles and hence increases there collision frequency. This extra energy causes the interactions at the molecular level to be disturbed hence the creaming process will be hindered. So, The rate of creaming decreases with increase in temperature.
Also, the shear viscosity of cream decreases with the increase in temperature if a cream is stable. However, if the cream is stable and the temperature is almost constant then the zero shear viscosity should not decrease with time.
Thus the true statements are:
The rate of creaming decreases with increase in temperature.
The zero shear viscosity of cream decreases with time if the cream is stable.
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