States of matter is a core topic in chemistry that explains the physical forms of substances—gases, liquids, and solids—and is highly important for MDCAT, ECAT, NUST and FSC board exams. This chapter covers the kinetic molecular theory, properties of solids, liquids, and gases, intermolecular forces, diffusion, density, and gas laws such as Boyle’s law and Charles’ law. Understanding these concepts helps students analyze changes in state, pressure–volume relationships, and temperature effects on matter, which are frequently tested in entry test MCQs. At PLS Academy, states of matter is taught with clear concepts, numerical practice, and exam-oriented MCQs to help aspirants score confidently in Entry tests and board examinations.
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