Question

observe things around us and list changes that can reversed example
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Answer 1

Answer:

Melting of ice is a reversible change. Water can be turned into ice by keeping it in the freezer. When ice cubes are kept at room temperature, they turn into water after some time. On the other hand, burning of a piece of paper is an irreversible change.

Answer 2

$1) \: The \: Melting \: of \: Ice$

$2) \: Dissolving \: Sugar \: in \: \\ Water$