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  • Matter is classified broadly as elements ,compounds and mixtures
  • Elements are substances that are made up of only one type of atoms
  • Compounds are substances that are made up of more than one type of atoms
  • Mixtures are made up of two or more substances that are physically combined
  • A solution is a homogeneous molecular dispersion of two or more substances.
  • The liquid in which a substance is dissolved is called a solvent
  • The substance which gets dissolved in the solvent is called a solute
  • Solutions are classified as unsaturated ,saturated and supersaturated solutions
  • Suspension is a heterogeneous mixture in which small particles of solid remain suspended throughout the mass of the liquid or gas without getting dissolved
  • A colloid is in between a true solution and a suspension. A colloid is a solution in which the size of the solute particles are bigger than that of a true solution but smaller than that of a suspension. 

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