Out of Celsius and kelving temperatures, which is
considered better?
Q2. Out of dry air and wet air, which is heavier?
Q3. Why solids do not passess fluidity?
Q4. Define gaseous state of substance?
Q5. Define solid state of a substance?
Q6. Define liquid state of a substance?
Q7. Give an example of emulsion?
Answers
Explanation:
1- Kelvin is not 'better' its simply more useful in some applications. its a totally different scale, most suited for scientific purposes. Celsius is suited for earth bound temperatures. Because Kelvin scale can take me upto absolute zero temperature while Celsius scale can't.
2- wet air is heavier because in wet air there is presence of water in it.
3- solid do not posses fluidity because particles of solid are very closely packed .
4- A substance in the gaseous state has neither definite shape nor definite volume. Like liquids, gases are fluids and assume the shape of their containers.
5- In a solid, these particles are packed closely together and are not free to move about within the substance.
6- A liquid is a nearly incompressible fluid that conforms to the shape of its container but retains a (nearly) constant volume independent of pressure.
7-Examples of Emulsions. Oil and water mixtures are emulsions when shaken together. ... Butter is an emulsion of water in fat. Mayonnaise is an oil in water emulsion that is stabilized by the lecithin in egg yolk.
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