Which of the following is not an example of a physical change? a cutting a piece of string in half b crumpl

Question

Which of the following is not an example of a physical change?

a
cutting a piece of string in half
b
crumpling a piece of paper into a ball
c
freezing water into an ice cube
d
letting your food in your lunch box rot in your locker

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Euphemia 7 months 2021-07-17T09:33:05+00:00 1 Answers 22 views 0

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    0
    2021-07-17T09:34:46+00:00

    Answer:

    Explanation:

    Cutting a string in half because

    b is irreversible

    c is a cheical and d is also a chemical change

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