26. What is chemical change ? Give examples.
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A chemical transition is the result of a chemical reaction, whereas a physical change is when the structure of matter changes, but not the chemical identity. Burning, cooking, rusting and rotting are examples of chemical changes.
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a change in which a new substance is formed is called a chemical change. ex- burning paper, cooking food, burning of magnesium ribbon etc..
a chemical change is mostly irreversible...
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