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CBSE Class 9 Answered

Chemistry
Asked by rajudih824 | 11 Jun, 2020, 06:10: PM
answered-by-expert Expert Answer
Chemistry is a branch of science that deals with chemical elements and compounds, and how these things work together and change.
Chemistry is the science of substance and their transformation. 
Answered by Ramandeep | 19 Jun, 2020, 01:34: PM

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