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  1. A process in which the substance moves through a semipermeable membrane or in a solution without any help from transport proteins. For example, bacteria deliver small nutrients, water and oxygen into the cytoplasm through simple diffusion.

  2. Jul 3, 2023 · Diffusion. The spreading out and mixing of a substance with another substance due to motion of its particles is called diffusion. The diffusion of one substance into another substance goes on until a uniform mixture is formed. Diffusion is the property of matter which is based on the motion of its particles.It is fastest in gases and slowest in ...

  3. byjus.com › question-answer › define-diffusionDefine Diffusion. - BYJU'S

    The process of movement of a substance (solid, liquid, or gas) from the region of higher concentration to the region of lower concentration so as to spread uniformly is called diffusion.

  4. Apr 5, 2021 · 1) What is Diffusion? Answer: The intermixing particles of two different types of matter by their own is called Diffusion. 2) What is the role of temperatures in diffusion? Answer: The rate of diffusion become faster with increase in temperature because at higher temperature the particles have more energy and hence move faster.

  5. The movement of gases (like carbon dioxide and oxygen) from a region of high concentration to a region of low concentration through a semi permeable membrane is known as diffusion. Thus, diffusion plays an important role in gaseous exchange between the cells as well as the cell and its external environment.

  6. Apr 16, 2024 · What is Diffusion? Spreading out and Mixing of one substance with other is called Diffusion. It happens in all forms of matter - Solids, Liquids and Gases. It is fastest in gases and slowest in solids. Examples of Diffusion in Gases. Example 1.

  7. The spreading out and mixing of a substance with another substance due to the motion of its particles is called diffusion. The diffusion of one substance into another substance goes on until a uniform mixture is formed. For example: diffusion of bromine vapors in air.

  8. Diffusion refers to the process by which molecules of matters move from high concentration towards the low concentration. 2. For example, when a sugar cube is dropped in a glass of water the particles of sugar mixes up in the water as they move from higher concentration of sugar cube towards the lower concentration of water.

  9. The movement of gases (like carbon dioxide and oxygen) from a region of high concentration to a region of low concentration through a semi-permeable membrane is known as diffusion. Thus, diffusion plays an important role in the gaseous exchange between the cells as well as the cell and its external environment.

  10. Information about Diffusion, Chapter Notes, Class 9, Science covers topics like Matter In Our Surroundings, Diffusion in Matters and Diffusion, Chapter Notes, Class 9, Science Example, for Class 9 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for Diffusion, Chapter Notes, Class 9, Science.