I can provide you with information on the subjects you mentioned.
For the International Olympiad in Chemistry (IOC) and the International Olympiad in Physics (IOP), students usually prepare by studying relevant textbooks, solving practice problems, and participating in training programs or coaching classes offered by educational institutions or organizations. The specific teachers or resources a student follows can vary depending on their personal preferences and the availability of resources in their region.
Physical chemistry is a branch of chemistry that deals with the study of the physical and chemical properties of matter, as well as the changes it undergoes during chemical reactions. There are various textbooks and online resources available for studying physical chemistry, such as "Physical Chemistry" by Peter Atkins and Julio de Paula, or "Physical Chemistry: A Molecular Approach" by Donald A. McQuarrie and John D. Simon.
Similarly, physics textbooks can vary based on the curriculum or the level of study. Some popular physics textbooks include "University Physics" by Hugh D. Young and Roger A. Freedman, "Fundamentals of Physics" by David Halliday, Robert Resnick, and Jearl Walker, or "Concepts of Physics" by H.C. Verma.
It's important to note that the choice of textbooks and teachers can vary depending on your educational institution, curriculum, and personal preferences. It's always a good idea to consult with your teachers or academic advisors to get specific recommendations tailored to your needs.