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Properties such as color. Density and hardness.

User Inva
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Answer is: color, density and hardness are physical properties.

Physical property can be observed and measured without any changes in molecular composition. The same substance is present before and after the change.

Sublimation of iodine (from solid to gas state) is physical change.

Making mixture is also physical change (physical change is reversible).

Compressing carbon under high pressure is physical change.

User Scarhand
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