A glass flask has a mass of 35 g when empty. The volume of the flask is 25 cm3. When completely filled with a liquid, the total mass is 210 g. What is the density of the liquid?
1.4 g/cm31.4\text{ g/cm}^31.4 g/cm3
7.0 g/cm37.0\text{ g/cm}^37.0 g/cm3
8.4 g/cm38.4\text{ g/cm}^38.4 g/cm3
9.8 g/cm39.8\text{ g/cm}^39.8 g/cm3
169 exam-style questions on CIE IGCSE Physics Density, covering Density. Each one has a worked solution and a mark scheme showing where the marks go.