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प्रश्न
Define the emulsion. Give one example.
Define emulsion and give an example.
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उत्तर
An emulsion is a colloid in which minute droplets of one liquid are dispersed in another liquid which is not miscible with it. Examples are milk and butter.
संबंधित प्रश्न
The smallest unit of matter that exists freely in nature is called ...........
Intermolecular space is maximum in .......... less in ............ and the least in .........
Name the terms for the change of vapour into a liquid.
Fill in the blank
Liquids have a definite ______
Which one is a kind of matter:
Name two processes which provide the best evidence for the motion of particles in matter.
Which of the following substances are elements ?
Water, Salt, Mercury, Iron, Marble, Diamond, Wood, Nitrogen, Air, Graphite, Hydrogen, Oxygen, Sugar, Chlorine
Name two solid, two liquid and two gaseous elements at the room temperature.
Give reason why graphite is used for making elecrode in a dry cell.
Name a metal which has no fixed shape.
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State whether the following statement are true or false :
Salt and water can be recovered from an aqueous salt solution by the process of evaporation.
Name the process by which the various gases of the air are separated.
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for your answer.
Name one pair of liquids which can be separated by using a separating funnel.
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Liquids cannot be compressed and they have fixed volume.
Define the term matter.
