What type of change is undergone when the physical properties of a substance are changed?

What type of change is undergone when the physical properties of a substance are changed?

• Correct Answer: atmospheric
• thermal
• genetic
• physical

Explanation: Any time the physical properties of a substance are changed, we can say the substance has undergone a physical change . All substances undergo physical changes where there is a change in the form of the substance but not in its chemical composition. For instance, the grinding of granular sugar into powdered sugar is a physical change. Similarly, dissolving sugar in water is a physical change. We can also use physical changes to separate mixtures into their components. There are a variety of methods used, and the best procedure depends largely on the nature of the mixture. Depending on the states of matter involved, the relative sizes of the mixtures components, and whether the mixture is homogeneous or heterogeneous will determine the necessary separation technique.

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