Science, asked by bardhananandi06, 9 months ago

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Answered by Quik
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Hello!

Here is the answer for your question!

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Answer:-  

     1. a) Curdling of milk :- chemical change

        b) Freezing of water :- physical change

        c) Rust :- chemical change

        d) Cutting a paper :- physical change

        e) Rotting of Apple :- chemical change

        f) Burning of wood :- chemical change

        g) Making dough :- physical change

        h) Burning of candle :- chemical change

        e) Melting of iron :- physical change

     2. A physical property is a property that can be observed and measured without changing the composition of the matter.

     3. Grinding wood into sawdust is an irreversible physical change

     4. Change A is a physical change as the gas changes from liquid form to gaseous form. Change B is a chemical change as the gas is burned which produces some new products such as smoke and carbon dioxide.

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Hope this helped you with your doubt :)

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