Please answer quick
Meaningless answers will be reported
Answers
Hello!
Here is the answer for your question!
------------------------------------------------------------------
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.
------------------------------------------------------------------
Hope this helped you with your doubt :)