Chemistry - Paints and Pigments A revision quiz to help revise gcse chemistry about paints pigments. 3.0 / 5 based on 1 rating ? BiologyGCSEOCR Created by: Claire SaundersCreated on: 12-11-12 19:14 What is the definition of a paint? A colloid where the particles are mixed and dispersed with particles of water but not dissolved. 1 of 5 What does a binding medium do? It helps the paint stick to a surface. 2 of 5 What is a colloid? A mixture of particles of one thing in another. 3 of 5 Why do photophorescent pigments glow in the dark? Because they absorb and store energy and release it as light over a period of time. 4 of 5 What are thermochromic pigmetns used for? They are added to acrylic paints to give more colour change. 5 of 5
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