A fixed dose of a drug attaches to the exposed surfaces of carrier particles. Explain why less mass of the carrier may be needed if it is made of nanoparticles rather than fine particles.
104 exam-style questions on AQA GCSE Chemistry 2.4 Bulk and surface properties of matter including nanoparticles, covering 2.4.1 Sizes of particles and their properties and 2.4.2 Uses of nanoparticles. Each one has a worked solution and a mark scheme showing where the marks go.