Science, asked by sharananey21, 5 months ago

which of these are chemical change:-
a) decaying of wood
b) burning of wood
c)sawing of wood
d) Hammer ing nail into wood

a and b
b and c
a and c
b and d​

Answers

Answered by vishalopstudy2004
2

All are chemical changes..

Answered by pkchourasiya30
2

Answer:

a and b

decaying of wood

and

burning of wood

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