https://www.khanacademy.org/science/revision-up-science-class-6-full-term/x00110b31861f2508:week-2/x00110b31861f2508:materials-around-us/v/soluble-and-insoluble 2023-06-26T03:56:33.129173029Z Soluble and Insoluble | Some materials are soluble in water, while some aren't. Materials can be categorised according to that property. Vibhor Pandey video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Soluble and Insoluble | Some materials are soluble in water, while some aren't. Materials can be categorised according to that property. https://cdn.kastatic.org/ka-youtube-converted/abFdZAJNurw.mp4/abFdZAJNurw.mp4 240 Solutions https://www.khanacademy.org/science/class-9-chemistry/x46dd29ce84a663ea:is-matter-around-us-pure/x46dd29ce84a663ea:solutions-suspensions-and-colloids/v/solution-suspension-and-colloid 2023-06-26T12:36:08.867767149Z Solution, Suspension and Colloid What is the difference between salt water, chalk in water and milk? They're all mixtures but how are they different? Let's find out! Vibhor Pandey video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Solution, Suspension and Colloid What is the difference between salt water, chalk in water and milk? They're all mixtures but how are they different? Let's find out! https://cdn.kastatic.org/ka-youtube-converted/qFHYnSY1h9I.mp4/qFHYnSY1h9I.mp4 512 Solutions https://www.khanacademy.org/science/hs-chemistry/x2613d8165d88df5e:solutions-acids-and-bases/x2613d8165d88df5e:aqueous-solutions/v/aqueous-solutions 2024-03-19T21:01:49.527176433Z Aqueous solutions Aqueous solutions are all around us, and even inside of us! Aqueous solutions are homogeneous mixtures that contain water as their main component. Learn about solutes, solvents, electrolytes, and why water is known as the universal solvent. Sal Khan video https://cdn.kastatic.org/ka_thumbnails_cache/f5c3f51e-861f-44a4-8d29-83e0d4a085d0_1280_720_base.png Aqueous solutions Aqueous solutions are all around us, and even inside of us! Aqueous solutions are homogeneous mixtures that contain water as their main component. Learn about solutes, solvents, electrolytes, and why water is known as the universal solvent. https://cdn.kastatic.org/ka-youtube-converted/3mb7hfHZ48Q.mp4/3mb7hfHZ48Q.mp4 344 Solutions https://www.khanacademy.org/science/hs-chemistry/x2613d8165d88df5e:solutions-acids-and-bases/x2613d8165d88df5e:aqueous-solutions/e/understand-aqueous-solutions 2026-06-25T14:10:39.916233732Z Understand: Aqueous solutions Check your understanding of the properties of aqueous solutions in this set of free, standards-aligned practice questions. Donna Fig exercise https://www.khanacademy.org/science/class-9-chemistry/x46dd29ce84a663ea:is-matter-around-us-pure/x46dd29ce84a663ea:mixtures-and-solution/v/concentration-of-a-solution 2023-06-26T12:36:08.867767149Z Concentration of a solution How can we describe the differences between these two mixtures: One with 1 teaspoon of salt in water and other with 4 teaspoons of salt in water. Let's find out! Vibhor Pandey video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Concentration of a solution How can we describe the differences between these two mixtures: One with 1 teaspoon of salt in water and other with 4 teaspoons of salt in water. Let's find out! https://cdn.kastatic.org/ka-youtube-converted/gtTJMNdY87A.mp4/gtTJMNdY87A.mp4 313 Solutions https://www.khanacademy.org/science/class-9-chemistry/x46dd29ce84a663ea:is-matter-around-us-pure/x46dd29ce84a663ea:mixtures-and-solution/e/concentration-of-a-solution 2025-02-06T05:32:11.208946943Z Concentration of a solution Let's solve a few problems to calculate the concentration of a given solution. Aanchal Arora exercise https://www.khanacademy.org/science/hs-chemistry-tx/x1ff71253c4e4a747:solutions-unit/x1ff71253c4e4a747:solubility-of-solids-and-gases/e/apply-factors-affecting-solubility 2026-06-30T16:30:41.535282189Z Apply: Factors affecting solubility Apply your understanding of solubility in this set of free, standards-aligned practice questions. donna exercise