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It is with this textbook for the 11th grade by Yaroshenko that you will complete a five-year study of the school chemistry course.

It is filled with carefully selected, logically and consistently arranged educational material that fully meets all the requirements of the new curriculum for the study of chemistry in the educational institutions of general secondary education and aimed at developing key and subject competences.

This textbook has an enhanced practical orientation, which is due to the disclosure of the main aspects of the application of chemical knowledge in everyday life both in Ukraine and in the world.

It should be noted that special attention should be paid to the achievements of Ukrainian scientists, the development of chemical technology, as well as the role of chemical factors in the environment.