analogicznie

Ciekawa chemia. Cz. 1. Podręcznik gimnazjalisty. Wersja e-book
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pierwiastki chemiczne [chemical elements] 41, 51-53 - promieniotwórcze ... [flame test] 24 przemiana chemiczna [chemical change] 39-40 przemiany a, ...

There is no reason to rewrite the author.
"Chemical reaction" would be reakcja chemiczna

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Note added at 2 hrs (2022-03-28 10:08:47 GMT)
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In general, chemical transformation is used to describe processes involving large numbers of reactions or unknown reactions, e.g. in combustion, enzymic transformations, etc.
Reference 1:
Chemical Transformation - an overview | ScienceDirect Topics
Chemical transformations are often described by detailed kinetic reaction mechanisms, which may contain several hundred species and several thousand reaction steps.

Reference 2:
Chemical and Physical Transformations of Matter - Beyond the Molecular Frontier - NCBI Bookshelf (nih.gov)
Chemical and Physical Transformations of Matter
Some Challenges for Chemists and Chemical Engineers
• Perfect the tools to study reaction mechanisms of chemical and biochemical reactions, so the processes can be observed directly and more efficient syntheses can be designed rationally.
• Develop reliable computer methods to predict the detailed pathways and rates of unknown chemical reactions, avoiding the need for creating and measuring them to determine their practicality.
• Understand the chemistry and properties of large molecules, including biopolymers, to the level that small-molecule chemistry is understood.
• Understand the behavior of molecules and substances in unusual environments: at extreme temperatures or pressures, absorbed on solid surfaces, or under shear flow.
• Understand the chemistry of molecules and substances in their excited states, or at or near their critical points, and at the nanoscale level in which surface characteristics can dominate bulk properties.
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Note added at 2 hrs (2022-03-28 10:12:42 GMT)
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"chemical change" is acceptable, but in the present context "chemical transformation" is more idiomatic. "chemical change" would cause the reader to pause because it doesn't have the more general connotation described in my References. It is closer to "chemical reaction".