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What is the SI unit of mass? How is it defined?

Ncert solutions for Class 11th Chemistry Part - 1 Chapter 1 Exercise 13


mass is the amount of substance contain ed in a body. its SI unit is kg(kilogram)
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Mass of a body is the amount of matter contained in it. It is a constant quantity and does not change with in position and surroundings. The mass of the body never can be zero.It is a scalar quantity. It is measured through a beam balance or a physical balance. The SI unit of mass is kilogram. The other units of mass are milligram (mg), gram(g), quintal (q) and tonne (t).

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