Class 9 Science
Class 9 science important questions with answers pdf
NCERT Solutions Class 9 Science
NCERT questions of science class 9
Important questions Science NCER
Class 9 Study 2022-2023
NCERT Class 9 Science
Describe a metal displacement reaction.
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CuSO₄ (aq) + Fe (s) → FeSO₄ (aq) + Cu (s)