write down two examples each of physical and chemical change ?
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Answer:
Physical Change
Some examples of physical change are freezing of water, melting of wax, boiling of water, etc.
Chemical Change
A few examples of chemical change are digestion of food, burning of coal, rusting, etc.
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Examples of physical changes are boiling, melting, freezing, and shredding.
Example
chemical change is the reaction between sodium and water to produce sodium hydroxide and hydrogen.
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