Difference Between Pure Substance And Mixture : In the NEET syllabus , it is crucial to grasp the basics of pure substances and mixtures. A pure substance is characterized by a consistent and unchanging composition, comprised solely of one type of element or compound.
On the other hand, mixtures are like a blend of different ingredients. They can be uniform like a blend of diverse composition. Knowing these differences is key for NEET preparations, helping students understand the formation of substances. It's like laying a strong foundation about the concept aligning with the updated NEET syllabus.Difference Between Pure Substance And Mixture | ||
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Property | Pure Substance | Mixture |
Definition | Homogeneous material with a constant composition | Combination of two or more substances in which each retains its own chemical properties |
Composition | Consists of only one type of atom or molecule | Comprises multiple types of atoms or molecules |
Homogeneity | Homogeneous throughout | Can be homogeneous or heterogeneous |
Separation | Cannot be separated by physical means | Components can be separated by physical means |
Examples | Elements (e.g., gold, oxygen), compounds (e.g., water) | Solutions, suspensions, colloids |
Properties | Has a fixed set of physical and chemical properties | Exhibits the properties of its individual components |
Melting/Boiling Point | Has a specific melting/boiling point | Variable melting/boiling points depending on components |
Examples | Gold (Au), Water (H₂O) | Saltwater, Air, Trail Mix |
Example : Water (H₂O) is a pure substance. It consists of water molecules with a fixed ratio of hydrogen to oxygen.
Example : Trail mix is a heterogeneous mixture containing nuts, dried fruits, and candies. Each component retains its individual properties.
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