An emulsifier can make an emulsion more stable by making the oil droplets stay in the water for a longer time.
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what is emulsion?
Vegetable oils do not dissolve in water. Oil will float on top of water because it is less dense but tiny little drops (called droplets) of oil can be dispersed in water to form a mixture called an emulsion.
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how an ester is made?
acid+alcohol ----> ester + water
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what are Phosphorescent pigment?
Phosphorescent pigments glow in the dark. They are able to absorb light energy and store it. This stored energy is released as light energy over a period of time. Phosphorescent pigments are useful for watch faces that glow in the dark. They may also
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what are thermochromic pigments
Thermochromic pigments are sensitive to temperature. They change colour when they are heated up or cooled down. This property is useful for indicating if the drink in a cup is hot, or if the water in a kettle is hot.
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what are colloids?
Paints are a type of mixture called a colloid. In a colloid, particles of one substance are mixed and dispersed with particles of another substance - but they are not dissolved in it. In an paint the pigment is dispersed in the liquid formed from the
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Other cards in this set
Card 2
Front
what are emulsifier?
Back
An emulsifier can make an emulsion more stable by making the oil droplets stay in the water for a longer time.
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