What is a physical change? Give any 5 examples of physical changes that you observe in daily life
Answers
Answer:
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DEFINITION"
Physical changes are changes affecting the form of a chemical substance, but not its chemical composition. Physical changes are used to separate mixtures into their component compounds, but can not usually be used to separate compounds into chemical elements or simpler compounds.[
EXAMPLES"
Examples of physical change include changes in the size or shape of matter. Changes of state—for example, from solid to liquid or from liquid to gas—are also physical changes. Some of the processes that cause physical changes include cutting, bending, dissolving, freezing, boiling, and melting
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Answer:
A physical change is a change in appearance of an object/substance. It may change appearance but not chemical composition.
Explanation:
Examples include:
1. A cup breaking.
2. Change in the forms of water - liquid to solid (through freezing), solid to liquid (through melting), liquid to vapour (boiling and evaporation), and gas to liquid (condensation).
3. Bending.
4. Cutting fruits.
5. Tearing of a paper.