Which statement describes a physical change?
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A physical change involves a change in physical properties. Examples of physical properties include melting, transition to a gas, change of strength, change of durability, changes to crystal form, textural change, shape, size, color, volume and density.
Physical change - Wikipedia
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Answer: Physical changes involve property changes. Physical qualities include melting, turning to gas, changing strength, durability, crystallization, texture, shape, size, color, volume, and density.
Explanation:
- One characteristic of a physical change is that it may be reversible, particularly a phase transition.
- For instance, if you freeze water into ice cubes, you can melt them back into water.
- We can identify physical change by asking these question to oneself
- Is the modification reversible? Not all physical alterations are easily reversible.
- Was there a change in color (with exceptions), bubble formation, or precipitate formation? These are not physical changes, but rather chemical changes.
- Is the final product's chemical identity the same as before the change? If the answer is yes, the alteration is tangible. If the answer is no, the alteration is chemical.
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