Class 7th Sample paper Questions
NCERT Books Class 7 science Questions
NCERT based sample Questions
Class 7th Science Session 2022-2023
What happens to air on heating?
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Class 7th Sample paper Questions
NCERT Books Class 7 science Questions
NCERT based sample Questions
Class 7th Science Session 2022-2023
Air expands on heating i.e. its volume increases.