Question

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Among the substances: gold, air, water and oil, partciles of which substance are most tightly packed and why?

Answer 1

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> The particles present in gold are the most tightly packed. The force of attraction varies for different substances. This force holds the particles in the matter. Particles of solids are tightly packed than liquids and gases with very small interparticle spaces. In the given options, gold is the only solid.