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
Define a compound.
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A substance which is made up of two or more elements, combined in a fixed ratio, such that they cannot be broken into elements by physical means is called a compound.