Class 9 Science
Class 9 science important questions with answers pdf
NCERT Solutions Class 9 Science
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Important questions Science NCER
Class 9 Study 2022-2023
NCERT Class 9 Science
What is the SI Unit of mass?
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The SI unit of mass is kilogram (kg.)
The correct answer is (B) Kilogram.
The kilogram (kg) is the SI unit of mass, defined based on fundamental physical constants. While grams are used for smaller measurements, liters measure volume and meters measure length.
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