Question

an example of a physical change is the
a) ignition of petrol in a car engine
b) dissolving sugar in tea
c) conversion of glucose to energy in the body
d) lighting a match ​

Answer 1

Answer:

b) dissolving sugar in tea

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Answer 2

Answer:

ignition of petrol in car engine

Explanation:

because we can refill petrol again

It can't b

because if u dissolve sugar in tea

we can't get the sugar back

hence , ans is A