Course: FdA / BA Aesthetics Practitioner
University: University College Birmingham
Course Year 1 : ()
Module: Chemical Peels: Theory and Practice (1938)
Assignment Type: Multiple Choice Exam with Answers
Boost your academic success and assess your knowledge of the Chemical Peels: Theory and ...
Chemical peels
multiple choice
exam questions
Exam revision
FdA/BA Aesthetic Practitioner
Year 1
, CHEMICAL PEELS MULTIPLE CHOICE EXAM QUESTIONS
Question 1.
A buffer solution is an aqueous solution consisting of a mixture of a weak acid and
its conjugate base or a weak base and its conjugate acid. What is its purpose?
A. Buffer solutions are used as a means of lowering the pH value in a wide
variety of chemical applications.
B. Buffer solutions are used as a means of increasing the pH value in a wide
variety of chemical applications.
C. Buffer solutions are used as a means of lowering the pKa value in a wide
variety of chemical applications.
D. Buffer solutions are used as a means of keeping pH at a nearly constant
value in a wide variety of chemical applications.
Question 2.
Often, neutralisation reactions can be both exothermic and endothermic dependant
on whether it is a strong acid and a weak acid. What does this mean?
A. This is when a chemical reaction occurs, ions are transferred to or from the
surroundings. There is no temperature change in the tissues.
B. This is when a chemical reaction occurs, the PH of the acid increases, and
there is a change in the tissues.
C. This is when a chemical reaction occurs, energy is transferred to or from the
surroundings. There is no temperature change in the tissues.
D. This is when a chemical reaction occurs, energy is transferred to or from the
surroundings. There is usually a temperature change in the tissues.
1
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