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Liquid has only one free surface....

Liquid has only one free surface.

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**Step-by-Step Solution:** 1. **Understanding the Properties of Liquids:** - Liquids are a state of matter that have a definite volume but no definite shape. They take the shape of the container they are in. 2. **Identifying Free Surfaces:** - A free surface is defined as a surface that is not in contact with any other substance. In the case of liquids, the surface that is exposed to the air is considered the free surface. ...
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PEARSON IIT JEE FOUNDATION-NATURE OF MATTER -LEVEL 1
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  2. Liquid has only one free surface.

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  3. The rate of evaporation decreases with increases in humidity.

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  4. During melting of a solid, there is no change in the kinetic energy of...

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  5. The reaction of sodium chloride with bromine gas is a chemical displac...

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  6. The strong intermolecular forces of attraction are responsible for hig...

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  7. Burning of a piece of magnesium wire is a synthesis reaction.

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  8. A mixture of SO2, H2 and Cl2 can be separated by followed by .

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  9. A liquid wets the given surface if forces are predominant over force...

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  10. A mixture contains nitre, common salt and silver chloride as the compo...

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  11. The reactions of a compound KX with fluorine, chlorine, bromine in thr...

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  12. In two closed containers, substances A and B are present. After someti...

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  13. If cold water is poured on flask containing very hot distilled water a...

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  14. Three solid substance x, y and z are heated, the number of free surfac...

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  16. The bulb of a thermometer when dipped in petrol and then taken out, t...

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  17. The high diffusibility of gases is due to

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  18. During summer days, water kept in an earthen pot (pitcher) becomes coo...

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  19. The electric bulb on long use forms a black coating on its inner surfa...

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  20. Identify a physical change among the following :

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