cutting of wood is a physical change while burning it is a chemical change. state reasons for the same
Nik1121:
class 9 ques?
no 7
ques is not explained
i have already written that cutting of wood is a physical change while burning of wood is a chemical change. state reasons
samhaj nhi aya toh batana phir se samja dege
samajh me aa gaya
thanx
briliant mark
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cutting of wood is a physical change as after the cutting down of it ,it will remains as usual (woh jaise tha waise hi rhega koch or nhi ban jaye ga )lekin usko burn kar dega toh ash ke form meh aa jaye ga ....above class meh bole ga toh burning meh heat release hoga or gas bhi lekin cutting meh aisa nhi hoha
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