CBSE Class Notes Online – Classnotes123
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Particles of matter are extremely small, constantly in motion and have spaces between them. They possess mass, attract each other and can diffuse naturally. These fundamental characteristics explain how solids, liquids and gases behave differently. Understanding these properties is essential in physics and chemistry for grasping the nature and structure of all matter.
What are the Characteristics of the Particles of Matter ? Read MoreMatter, which occupies space and has mass, exhibits both physical and chemical properties. Physical traits like density or color may be extensive or intensive, while chemical traits involve transformations, such as flammability or reactivity. Matter exists in distinct states -solid, liquid, gas, plasma, and Bose-Einstein condensate each with unique behaviors. Specialized properties aid in scientific and industrial applications.
Properties of Matter: Physical, Chemical, and Functional Explained With Examples Read MoreTemperature is measured using the property of thermal expansion, where matter increases in volume with heat due to increased particle motion. This expansion is predictable and used in thermometers and other devices. As temperature rises, particle spacing increases, causing expansion in solids, liquids, and gases, making thermal expansion a reliable way to measure temperature.
Which Property of Matter Is Used to Measure Temperature? Read More
A solution is a homogeneous mixture of solute and solvent. Solutes dissolve in solvents without settling, forming a single-phase system. Solvents determine the solution’s state and aid dispersion. Solubility depends on factors like temperature, pressure, and polarity. Types of solutions and solvents vary by state and composition. Examples include saltwater, soda, alloys, and perfumes.
Solute, Solvent and Solution- Definition, Difference between, Characteristics, Examples Read More
Matter around us is mostly mixtures, not pure substances. Mixtures can be homogeneous or heterogeneous. Solutions, suspensions, and colloids differ in properties. Pure substances include elements and compounds, with fixed composition and characteristics. Physical and chemical changes alter matter differently. Separation methods help isolate components in mixtures, highlighting the difference between mixtures and pure substances.
Chapter 2: Is Matter Around Us Pure?-Class 9 – Simplified notes Read More