Chapter 2: Is Matter Around Us Pure?-Class 9 – Simplified notes
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.
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Sublimation- How Solids Turn Into Gas Without Melting
Sublimation is when a solid turns straight into gas without melting into liquid. This happens with things like dry ice, mothballs, and even snow in cold places. It’s used in printing, food drying, and space science. Learn how it works and where you see it in daily life!
Sublimation- How Solids Turn Into Gas Without Melting Read MoreNCERT Exemplar Solutions- Class 9 Science Chapter – 1 – Matter in Our Surroundings
Get NCERT Exemplar Solutions for Class 9 Science Chapter 1 – Matter in Our Surroundings, covering multiple-choice, short-answer, and long-answer questions with detailed explanations. Learn about diffusion, evaporation, intermolecular forces, and phase transitions with clear, step-by-step solutions. Ideal for CBSE students aiming for conceptual clarity and exam preparation.
NCERT Exemplar Solutions- Class 9 Science Chapter – 1 – Matter in Our Surroundings Read MoreNCERT Solutions for Class 9 Science Chapter 1- Matter In Our Surroundings
NCERT Solutions for Class 9 Science Chapter 1 – Matter in Our Surroundings covers all textbook questions with step-by-step answers. Understand key concepts like states of matter, diffusion, density, and phase changes through detailed explanations, reasoning-based solutions, and real-life examples, making science easier for students.
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The Science of Evaporation – Process, Factors, and Applications
Evaporation is a natural process where a liquid turns into gas at temperatures below its boiling point. This article breaks down the science behind evaporation, the factors that influence it-like heat, wind and humidity and how it plays a crucial role in cooling, weather cycles, and daily life.
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15 Surprising and Real Facts About Evaporation
Evaporation isn’t just about drying puddles—it shapes our planet in surprising ways! From cooling trees to shrinking the Dead Sea and even helping forensic scientists solve crimes, this natural process plays a crucial role in weather, energy, and everyday life. Learn 15 real and unexpected facts about evaporation that will change how you think about water!
15 Surprising and Real Facts About Evaporation Read MoreWhy is the Latent Heat of Steam So High? Find the Answer
Latent heat of steam is the energy required to convert water into steam without a temperature change. Water’s strong hydrogen bonds make its latent heat exceptionally high, requiring 2260 kJ/kg at 100°C. This property is essential in power plants, cooking, industries, and weather systems, making steam an efficient heat carrier in various applications.
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Why Steam Burns Are More Dangerous Than Boiling Water Burns
Why Steam Burns Are More Dangerous Than Boiling Water Burns | Explained
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What is Latent Heat? Fusion & Vaporization Explained with Real-Life Applications
Latent heat is the energy required to change a substance’s phase without temperature change. Learn how latent heat of fusion helps ice melt and how latent heat of vaporization turns water into steam. Understand key formulas, real-life examples, and heating curves to grasp how heat energy affects melting, boiling, freezing, and condensation.
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