This process works because different dye particles dissolve and travel at different __________ . What word completes the gap?

Look at the following statement. What word completes the second gap? Substances move by diffusion from an area where they are __________ concentrated to an area where they are __________ concentrated.

Identify a single word that can replace each of the following expressions.Liquid in which a substance dissolvesInsoluble particles that settle to the bottom of a liquidSubstance that dissolves in a liquidMixture that is formed when a solute dissolves in a solventMixture in which the insoluble particles stay mixed throughout another substanceExplain how a colloid differs from a suspension.Copy and complete the diagram opposite by placing the correct term in the lettered boxes.How is homogenised milk different from fresh milk?ThinkIs smog a solution, suspension or colloid? Explain your answer.Cream and butter are both made from milk. What types of mixture are cream and butter?Many products contain chemicals called ‘emulsifiers’. What do you think these chemicals do?

What is the missing word? __________ substances can move into or out of cells by diffusion.

hat name is given to the process by which a dissolved substance moves across a boundary to an area of lower concentration?

3.What is the chromatography paper called when the coloured compounds have been separated?