Slideshow

Important Terms

• Physical Change - a change that can be reversed easily
• Chemical Change - a change that is generally not reversible
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• Pie de imagen: Physical Change vs Chemical Change

Physical change vs Chemical change

• A physical change:
• produces no new kind of matter
• is a reversible type of reaction
• is not accompanied by great heat change
• produces no changes in mass
• A chemical change:
• always produces a new kind of matter
• is generally not reversible
• is usually accompanied by heat change
• produces a change in mass

Examples

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• Pie de imagen: Melting of a solid is generally a physical change
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• Pie de imagen: Burning of a substance is a chemical change