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EXERCISE 5

1. (a) What do you understand by the term volume of a substance?

(b) State the unit of volume in SI system.

## Answers

**Answer:**

Volume is the quantity of three-dimensional space enclosed by a closed surface, for example, the space that a substance (solid, liquid, gas, or plasma) or 3D shape occupies or contains. ... Volume is often quantified numerically using the SI derived unit, the cubic

**Explanation:**

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Volume is the measure of the 3-dimensional space occupied by matter, or enclosed by a surface, measured in cubic units. The SI unit of volume is the cubic meter (m3), which is a derived unit. Liter (L) is a special name for the cubic decimeter (dm3).01-Aug-2011

**Explanation:**

a) Volume is the quantity of three-dimensional space enclosed by a closed surface, for example, the space that a substance (solid, liquid, gas, or plasma) or 3D shape occupies or contains. ... The combined volume of two substances is usually greater than the volume of just one of the substances.

b) The SI unit of volume is the cubic meter (m^3), which is a derived unit. Liter (L) is a special name for the cubic decimeter (dm^3).