Yes, you can observe other plants in your neighborhood that fold their leaves after sunset, similar to the amla tree. NCERT Science Textbook Curiosity Science Session 2024-2025.
Category: Class 6 Science
NCERT Solutions and Important Questions for class 6 Science for CBSE exams 2020-2021.
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Centrifugation is used in laboratories to separate components of a mixture based on density. By spinning samples rapidly, denser components move to the bottom, allowing precise separation and analysis of different substances.
Separation by magnetic properties in recycling involves using magnets to attract ferrous metals from other materials. This process efficiently sorts out metals from mixed waste, making recycling processes more effective and streamlined.
Solubility is crucial for separation techniques as it determines whether a substance can dissolve in a solvent. It allows methods like filtration to separate insoluble solids from soluble substances, enhancing purification processes.
A fractionating column enhances distillation by providing multiple condensation and vaporization stages, improving the separation of components with closer boiling points. This results in a more efficient and purer separation of substances.
Separation by density relies on differences in mass per unit volume. Denser materials settle at the bottom or move outward in a centrifuge, while lighter materials remain on top or at the center.
Filtration purifies water by passing it through a filter medium that traps impurities, such as particles and microorganisms. The filtered water, free of these contaminants, is then collected for safe use.
Simple distillation is used for separating liquids with significantly different boiling points, while fractional distillation is for liquids with closer boiling points, using a fractionating column to improve separation efficiency.
Sedimentation plays a crucial role in water treatment by allowing solid particles to settle at the bottom of a tank, thereby removing suspended contaminants and clarifying the water for further purification.
A separating funnel allows efficient separation of immiscible liquids based on density differences. It provides precise control over the separation process, making it useful for separating mixtures like oil and water.