Separating Mixtures notes

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This Separating Mixtures page brings together over 30 community-made notes on chromatography, distillation, filtration and other separation methods. They are mostly for secondary-level study, with material for school students practising these methods and teachers supporting that practice. Choose a note and start exploring.

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Rf Values Rf ValuesChromatography can be used to separate mixtures of coloured compounds – mixtures that are suitable for separation by chromatography include inks, dyes and colouring agents in food… Simple chromatography is ca... Peter Hoskins
Chromatography Chromatography is good for separating and identifying thingsChromotography is used to separate stuff in a mixture - once it's separated out, you can often identify the components. There are quite a few different types... Lucy Nove
U4 Chemistry Particle theory Key words Distillation: Impure solvent     -  what is put in at the beginning of distillation Leibig condenser  -  condenser in distillation   Filtration Residue   &n... Honor Neville
Separating and Analysing SIMPLE DISTILLATION: E.G. pure water from salt water Substance boils and is condensed back again to liquid by condenser Unwanted substance remains in flask Whether to use simple or fractional depends on differences be... Aarushi Jain
Separation Techniques Simple Distillation Used to separate a liquid and a solid that are in solution Liquid is collected E.g: Obtaining pure water from salty water Fractional Distillation Used to separate liquids with different b... Charlie.Farlie
Separation Techniques Chromatography: Used to separate mixtures of liquid/gases in dissolved substances. We can use chromatography to separate and identify different coloured components in dyes/inks. The more soluble the dye, the further i... Althea Lee
Untitled Chromatography: Used to separate mixtures of liquid/gases in dissolved substances. We can use chromatography to separate and identify different coloured components in dyes/inks. The more soluble the dye, the further i... Althea Lee
chapter 3 - separation LIQUID IS SOLVENT , SOLUTE ARE SOLIDS THAT DISSOLVE IN SOLVENT Filtration - separate a liquid from an insoluble solid residue - insoluble solid filtrate - the liquid passes through pores decanting - careful pouring of... felicia zxc
Exam HPLC Checklist: HPLC definition  How are the substances separated? Equation for partition coefficient  How is the partition coefficient determined? -20 or 25 degrees C -Dependent on their physical properties... Nina Tran
Methods of purification by Visva Filtration Filtration is used to separate solid in liquid which are undissolved. This is achieved by pouring the solution through filter paper (also known as filtrate) in a filter funnel. which results with solid stay... Visvamitra Ravindran
FC 5C- Separation & Purification TechniqueStationary phaseMobile phaseBasis of separationNotes*Paper chromatographysolid (cellulose)liquidpolarity of moleculescompound spotted directly on a cellulose paper*Thin layer chromatography (TLC)solid (silica... Victoria Whitfield
Separation Techniques - created from Mind Map Solid-solid Suspension Solution joshualohwy2211
Thin Layer Chromatography - Summary Notes TLC - Thin Layer Chromatography All chromatography techniques consists of a stationary phase, through which an inert mobile phase travels. The mixture is added to the mobile phase and seperates as it's constituents tr... Carter Bartlett
21- Practical techniques - Chromatography Chromatography is a qualitative methodTechnique that separates mixtures in order to detect components Process of chromatography Chromatography separates components of a mixture using a solventMost common types are pap... 12plummerz
Separation Techniques Experiment: To separate salt and water (by evaporation) Boil the salty water until the basin is almost dry, Turn off the Bunsen and allow the hot basin to sit. The remaining water should evaporate, leaving the salt in... Lauren Mcguane
Examples of Mixture Separation Table Salt and Sand 1. Add water to the mixture.  The salt will dissolve in the water but the sand is insoluble. Heat the water and stir to speed up the dissolution and increasing saltwater yield. 2. Filter the m... Ablazej P
Seperation What is chromatography? Chromatography is a technique used for separating a mixture of chemical substances. What is Paper chromatography? Paper chromatography allows us to separate substances based on their solubiliti... Favour Osibodu
Immiscible and Miscible Explain what immiscible liquids are and how they can be separated.Immiscible liquids are liquids that don't mix together but form a layer floating on top. For example, Oil does not dissolve in water because it is immi... sattar.sumaiya
Chemistry Mock Revision Paper ChromatographyPaper chromatography is a separation technique that is used to separate and identify the components of a mixture.Paper chromatography is used to identify the colouring agents (chemicals) for e... oliviasmithx
fractional distillation water - freezes at 0 degrees carbon dioxide - freezes at - 79 degrees oxygen - boils at - 183 degrees esmewood
Science test revision What is density?    Density is the amount of matter in a fixed volume. How do you calcuate density?     Divide mass/ volume How do you write density?      grams/cm cubed  H... Skandana Ayappagari
OCR C7 analysis, chromatography and titrations - created from Mind Map analytical procedures know the difference between qualitative and quantitative be familiar with how samples are analysed in the lab chromatography what is it? aqueous and non aqueous solvents how does it work (dynamic... Samina Rashid
Distillation Distillation separates liquids with different boiling points. You heat a mixture gently, the substances will evaporate in order of increasing boiling point. You heat a flask with the mixture in, if you know the boilin... Grace Hyett
Unit 1 notes Chromatography is a method of separating and purifying coloured compounds sing filter paper and a solvent New Page FreddyWHI
Chromatography Chromatography 1. Place sample n a pencil line drawn a few centimatres from the bottom of the chromatography paper 2. Hang or place paper vertically dipped into solvent (generally water, but for amino acids butan-1-ol... Sam Buller
Untitled drinking water Purifying sea water  - water is separated form dissolved salts  - vapour forms and is Cooled and condensed (without the dissolved salts) - a lot of energy is needed too be transferred to seawa... twinkle star
Separating Mixtures - creado desde un Mapa Mental Francisco Antonio Franco Barrera Grupo: ??? Filtration: is used to separate SOLIDS from LIQUIDS or SOLIDS with different sized particles. Evaporation: is used to separate SOLIDS from LIQUIDS in homogeneous mixtures or... Francisco Antonio Franco Barrera
PSB CHROMO Chromotography Separate pigmants Exploiting differences Size shape charge volatility solubility adsorptivity Liquid Column Chromotography (LCC) ·         Stationary phase (solid... celiacrook93
Separating Mixtures - created from Mind Map A Mixture Filtration Evaporation Eibhe Lawler
Untitled john.e.borg
2.3 Seperating Mixtures Filtration Uses a solid barrier to stop solids from passing through. The fluid that passes through the filter is known as the filtrate.   Evaporation If a liquid has a low boiling point it is said to be volatile.... Sam Briggs
why do the spots travel different distances up? water in paper is in stationary phase chemicals are attracted to the water in paper an equilibrium is reached for each solvent and in paper solvent moves up paper different chemicals move up the paper at different rat... Leah Daniel
Separating Mixtures - created from Mind Map Styrofoam chunks, sand, iron fillings, copper sulfate Magnet to remove iron fillings Add water to the Styrofoam chunks, sand, copper sulfate Jonathan Stacey
Making dilute ethanol solution more concentrated boil the dilute ethanol anti bumping grabules control the heating condenser used' keep the liquid that collects around the boiling temperature of the alcohol stop when temperature is too high Leah Daniel
Separating Mixtures Note Separating mixtures are used for 3 reasonsTo separate harmful and useful componentsTo separate a single useful componentTo separate many useful components Rupinder Sahni

More Separating Mixtures resources

All Separating Mixtures resources Quizzes 41 Mind maps 459 Flashcards 280 Slides 15 Flowcharts 22

About separating mixtures notes

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What the separating mixtures notes cover

The notes offer different ways into the unit. Separation Techniques includes simple and fractional distillation, while Immiscible and Miscible looks at liquids that do and do not mix. The notes on purification by Visva include filtration.

For chromatography, Thin Layer Chromatography - Summary Notes introduces the stationary and mobile phases. Rf Values focuses on chromatography and coloured mixtures, including inks and dyes.

Using notes to revise

Start with the note on separation techniques if you want to compare methods before focusing on one. Read the examples, then describe the steps in your own words. Return to a note when you need to check a method or its purpose.

When you are ready to test your recall, switch to a quiz on the unit page. A mind map can also help you see methods arranged visually. Pick a topic and work through the notes at your own pace.

Frequently asked questions

Which note is a useful place to start?

The note on separation techniques is a useful starting point for comparing methods. It includes simple and fractional distillation. For a more focused read, try Immiscible and Miscible for liquids that do and do not mix, or the notes on purification by Visva for filtration.

What do the chromatography notes cover?

The chromatography notes include an introduction to thin layer chromatography, with its stationary and mobile phases. Rf Values discusses separating coloured mixtures, including inks and dyes. There is also a note titled Chromatography that describes separating a mixture and identifying its components.

Are these notes free to use?

Yes. Every note listed here is free to open and study, and you do not need an account. The resources were made by GoConqr users. A free account also lets you save quiz scores and make your own quizzes, mind maps, flashcards and notes.