Question

(4) In which, did the original matter
remain unchanged?​

Answer 1

Answer:

In physical change ,states of matter also changes but no new substance is formed like water change into ice and ice change to water but the properties not getting affected. Sometime physical change is reversible and sometime it is irreversible in nature.

Answer 2

In physical change ,states of matter also changes but no new substance is formed like water change into ice and ice change to water but the properties not getting affected. Sometime physical change is reversible and sometime it is irreversible in nature.

$\\ \\ \\ \\ \sf \colorbox{gold} {\red(ANSWER ᵇʸ ⁿᵃʷᵃᵇ⁰⁰⁰⁸}$