Question 7 — An object has a - Questions at the end of the chapter - Chapter 9 Class 8 - The Amazing World of Solutes, Solvents & Solutions

Last updated at June 17, 2026 by

Q 7
Question

An object has a mass of 400 g and a volume of 40 cm³. What is its density?

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Answer
The density is 10 g/cm³.

Explanation

Density
=
\( \dfrac{\text{Mass}}{\text{Volume}} = \dfrac{400\ \text{g}}{40\ \text{cm}^3} = 10\ \text{g/cm}^3 \)
Dividing 400 g by 40 cm³ gives a density of 10 g/cm³.
← Back to concept: 9.5 What Is Density?
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