Forces of attraction are (a) maximum in solids and minimum in gases. (b) maximum in gases and minimum in solids. (c) maximum in liquids and minimum in gases. (d) maximum in gases and minimum in liquids.
(a) Particles are closest in solids and maximum apart in gases.
https://www.tiwariacademy.com/ncert-solutions-class-9-science-curiosity-chapter-1/
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(a) Maximum in solids and minimum in gases.
In solids, particles are tightly packed with strong intermolecular forces, keeping them in fixed positions.
In gases, particles are far apart with very weak forces of attraction, allowing them to move freely.
https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-1/