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1. Gases expand the most upon heating because the intermolecular space is more than in solids or liquids.
3. The changes which take place in a long period of time are called slow changes.
4. A homogeneous mixture is a mixture having a uniform composition throughout the mixture.
5. iodine, dry ice , menthol, and camphor.
6. Solid is of highest density. 7. the evaporation technique can be used to separate common salt from its solution.
8. Churning of milk or to separate the cream from the milk involves the use of centrifugal forces.
9. benzene, ethanol, diethyl ether, carbon tetrachloride, chloroform.
10. Filtration is one of the methods which is used for separating the liquid components from the solid components.
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